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Finding the Fourth Proportional to 11,309.99, 16,956.78 and 7,603.02

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Solution

The fourth proportional to 11,309.99, 16,956.78 and 7,603.02 is: 11,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.99 : 16,956.78 = 7,603.02 : x
  2. Step 2: Convert to fraction form
    11,309.99/16,956.78 = 7,603.02/x
  3. Step 3: Cross multiply
    11,309.99x = 16,956.78 × 7,603.02
  4. Step 4: Simplify right side
    11,309.99x = 128,922,737.48
  5. Step 5: Solve for x
    x = 128,922,737.48/11,309.99
  6. Step 6: Final answer
    x = 11,399.01

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