Finding the Fourth Proportional to 92,874.87, 128,168.69 and 52,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,874.87 : 128,168.69 = 52,587.50 : x
2. Step 2: Convert to fraction form
   92,874.87/128,168.69 = 52,587.50/x
3. Step 3: Cross multiply
   92,874.87x = 128,168.69 × 52,587.50
4. Step 4: Simplify right side
   92,874.87x = 6,740,070,081.59
5. Step 5: Solve for x
   x = 6,740,070,081.59/92,874.87
6. Step 6: Final answer
   x = 72,571.52