Finding the Fourth Proportional to 59,148,329.98, 82,042,285.20 and 57,575,264.62

Step by Step Solution

1. Step 1: Write the proportion equation
   59,148,329.98 : 82,042,285.20 = 57,575,264.62 : x
2. Step 2: Convert to fraction form
   59,148,329.98/82,042,285.20 = 57,575,264.62/x
3. Step 3: Cross multiply
   59,148,329.98x = 82,042,285.20 × 57,575,264.62
4. Step 4: Simplify right side
   59,148,329.98x = 4,723,606,280,419,510
5. Step 5: Solve for x
   x = 4,723,606,280,419,510/59,148,329.98
6. Step 6: Final answer
   x = 79,860,349.09