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Finding the Fourth Proportional to 49,990.68, 74,986.05 and 13,054.68

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Solution

The fourth proportional to 49,990.68, 74,986.05 and 13,054.68 is: 19,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.68 : 74,986.05 = 13,054.68 : x
  2. Step 2: Convert to fraction form
    49,990.68/74,986.05 = 13,054.68/x
  3. Step 3: Cross multiply
    49,990.68x = 74,986.05 × 13,054.68
  4. Step 4: Simplify right side
    49,990.68x = 978,918,887.21
  5. Step 5: Solve for x
    x = 978,918,887.21/49,990.68
  6. Step 6: Final answer
    x = 19,582.03

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