Finding the Fourth Proportional to 59,065,139.20, 88,597,708.80 and 58,268,876.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,065,139.20 : 88,597,708.80 = 58,268,876.80 : x
2. Step 2: Convert to fraction form
   59,065,139.20/88,597,708.80 = 58,268,876.80/x
3. Step 3: Cross multiply
   59,065,139.20x = 88,597,708.80 × 58,268,876.80
4. Step 4: Simplify right side
   59,065,139.20x = 5,162,488,978,829,475
5. Step 5: Solve for x
   x = 5,162,488,978,829,475/59,065,139.20
6. Step 6: Final answer
   x = 87,403,315.20