Finding the Fourth Proportional to 90,784.15, 125,273.33 and 52,536.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784.15 : 125,273.33 = 52,536.10 : x
2. Step 2: Convert to fraction form
   90,784.15/125,273.33 = 52,536.10/x
3. Step 3: Cross multiply
   90,784.15x = 125,273.33 × 52,536.10
4. Step 4: Simplify right side
   90,784.15x = 6,581,371,303.17
5. Step 5: Solve for x
   x = 6,581,371,303.17/90,784.15
6. Step 6: Final answer
   x = 72,494.72