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Finding the Fourth Proportional to 444,018.13, 666,136.60 and 128,506.93

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Solution

The fourth proportional to 444,018.13, 666,136.60 and 128,506.93 is: 192,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,018.13 : 666,136.60 = 128,506.93 : x
  2. Step 2: Convert to fraction form
    444,018.13/666,136.60 = 128,506.93/x
  3. Step 3: Cross multiply
    444,018.13x = 666,136.60 × 128,506.93
  4. Step 4: Simplify right side
    444,018.13x = 85,603,169,426.64
  5. Step 5: Solve for x
    x = 85,603,169,426.64/444,018.13
  6. Step 6: Final answer
    x = 192,792.06

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