Finding the Fourth Proportional to 87,896.27, 131,731.72 and 42,927.91

Step by Step Solution

1. Step 1: Write the proportion equation
   87,896.27 : 131,731.72 = 42,927.91 : x
2. Step 2: Convert to fraction form
   87,896.27/131,731.72 = 42,927.91/x
3. Step 3: Cross multiply
   87,896.27x = 131,731.72 × 42,927.91
4. Step 4: Simplify right side
   87,896.27x = 5,654,966,983.66
5. Step 5: Solve for x
   x = 5,654,966,983.66/87,896.27
6. Step 6: Final answer
   x = 64,336.82