Finding the Fourth Proportional to 87,124.76, 120,268.88 and 58,868.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,124.76 : 120,268.88 = 58,868.72 : x
2. Step 2: Convert to fraction form
   87,124.76/120,268.88 = 58,868.72/x
3. Step 3: Cross multiply
   87,124.76x = 120,268.88 × 58,868.72
4. Step 4: Simplify right side
   87,124.76x = 7,080,075,021.43
5. Step 5: Solve for x
   x = 7,080,075,021.43/87,124.76
6. Step 6: Final answer
   x = 81,263.64