Finding the Fourth Proportional to 87,697.38, 131,547.69 and 28,532.82

Step by Step Solution

1. Step 1: Write the proportion equation
   87,697.38 : 131,547.69 = 28,532.82 : x
2. Step 2: Convert to fraction form
   87,697.38/131,547.69 = 28,532.82/x
3. Step 3: Cross multiply
   87,697.38x = 131,547.69 × 28,532.82
4. Step 4: Simplify right side
   87,697.38x = 3,753,426,560.19
5. Step 5: Solve for x
   x = 3,753,426,560.19/87,697.38
6. Step 6: Final answer
   x = 42,799.76