Finding the Fourth Proportional to 21,688,011.88, 32,522,567.82 and 7,308,399.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,688,011.88 : 32,522,567.82 = 7,308,399.40 : x
2. Step 2: Convert to fraction form
   21,688,011.88/32,522,567.82 = 7,308,399.40/x
3. Step 3: Cross multiply
   21,688,011.88x = 32,522,567.82 × 7,308,399.40
4. Step 4: Simplify right side
   21,688,011.88x = 237,687,915,142,147.31
5. Step 5: Solve for x
   x = 237,687,915,142,147.31/21,688,011.88
6. Step 6: Final answer
   x = 10,959,414.65