Finding the Fourth Proportional to 59,131,101.88, 88,638,359.90 and 20,765,711.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,131,101.88 : 88,638,359.90 = 20,765,711.80 : x
2. Step 2: Convert to fraction form
   59,131,101.88/88,638,359.90 = 20,765,711.80/x
3. Step 3: Cross multiply
   59,131,101.88x = 88,638,359.90 × 20,765,711.80
4. Step 4: Simplify right side
   59,131,101.88x = 1,840,638,635,561,056.50
5. Step 5: Solve for x
   x = 1,840,638,635,561,056.50/59,131,101.88
6. Step 6: Final answer
   x = 31,128,096.34