Finding the Fourth Proportional to 59,563,155.69, 88,746,069.33 and 56,217,817.49

Step by Step Solution

1. Step 1: Write the proportion equation
   59,563,155.69 : 88,746,069.33 = 56,217,817.49 : x
2. Step 2: Convert to fraction form
   59,563,155.69/88,746,069.33 = 56,217,817.49/x
3. Step 3: Cross multiply
   59,563,155.69x = 88,746,069.33 × 56,217,817.49
4. Step 4: Simplify right side
   59,563,155.69x = 4,989,110,328,105,096
5. Step 5: Solve for x
   x = 4,989,110,328,105,096/59,563,155.69
6. Step 6: Final answer
   x = 83,761,685.73