Finding the Fourth Proportional to 31,087,725.76, 42,899,119.60 and 17,149,242.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,087,725.76 : 42,899,119.60 = 17,149,242.08 : x
2. Step 2: Convert to fraction form
   31,087,725.76/42,899,119.60 = 17,149,242.08/x
3. Step 3: Cross multiply
   31,087,725.76x = 42,899,119.60 × 17,149,242.08
4. Step 4: Simplify right side
   31,087,725.76x = 735,687,387,039,272.75
5. Step 5: Solve for x
   x = 735,687,387,039,272.75/31,087,725.76
6. Step 6: Final answer
   x = 23,664,882.81