Finding the Fourth Proportional to 268,245, 402,417.06 and 88,340.52

Step by Step Solution

1. Step 1: Write the proportion equation
   268,245 : 402,417.06 = 88,340.52 : x
2. Step 2: Convert to fraction form
   268,245/402,417.06 = 88,340.52/x
3. Step 3: Cross multiply
   268,245x = 402,417.06 × 88,340.52
4. Step 4: Simplify right side
   268,245x = 35,549,732,337.27
5. Step 5: Solve for x
   x = 35,549,732,337.27/268,245
6. Step 6: Final answer
   x = 132,527.10