Finding the Fourth Proportional to 59,563,141.88, 88,746,048.86 and 56,217,803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,563,141.88 : 88,746,048.86 = 56,217,803.72 : x
2. Step 2: Convert to fraction form
   59,563,141.88/88,746,048.86 = 56,217,803.72/x
3. Step 3: Cross multiply
   59,563,141.88x = 88,746,048.86 × 56,217,803.72
4. Step 4: Simplify right side
   59,563,141.88x = 4,989,107,955,012,191
5. Step 5: Solve for x
   x = 4,989,107,955,012,191/59,563,141.88
6. Step 6: Final answer
   x = 83,761,665.32