Finding the Fourth Proportional to 88,435.62, 132,662.16 and 28,470.96

Step by Step Solution

1. Step 1: Write the proportion equation
   88,435.62 : 132,662.16 = 28,470.96 : x
2. Step 2: Convert to fraction form
   88,435.62/132,662.16 = 28,470.96/x
3. Step 3: Cross multiply
   88,435.62x = 132,662.16 × 28,470.96
4. Step 4: Simplify right side
   88,435.62x = 3,777,019,050.87
5. Step 5: Solve for x
   x = 3,777,019,050.87/88,435.62
6. Step 6: Final answer
   x = 42,709.25