Finding the Fourth Proportional to 87,713.38, 131,571.69 and 28,548.82

Step by Step Solution

1. Step 1: Write the proportion equation
   87,713.38 : 131,571.69 = 28,548.82 : x
2. Step 2: Convert to fraction form
   87,713.38/131,571.69 = 28,548.82/x
3. Step 3: Cross multiply
   87,713.38x = 131,571.69 × 28,548.82
4. Step 4: Simplify right side
   87,713.38x = 3,756,216,494.91
5. Step 5: Solve for x
   x = 3,756,216,494.91/87,713.38
6. Step 6: Final answer
   x = 42,823.76