Finding the Fourth Proportional to 19,682,140.59, 29,499,275.25 and 13,926,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,682,140.59 : 29,499,275.25 = 13,926,532.50 : x
2. Step 2: Convert to fraction form
   19,682,140.59/29,499,275.25 = 13,926,532.50/x
3. Step 3: Cross multiply
   19,682,140.59x = 29,499,275.25 × 13,926,532.50
4. Step 4: Simplify right side
   19,682,140.59x = 410,822,615,495,570.62
5. Step 5: Solve for x
   x = 410,822,615,495,570.62/19,682,140.59
6. Step 6: Final answer
   x = 20,872,862.56