Finding the Fourth Proportional to 87,662.79, 131,495.94 and 28,498.32

Step by Step Solution

1. Step 1: Write the proportion equation
   87,662.79 : 131,495.94 = 28,498.32 : x
2. Step 2: Convert to fraction form
   87,662.79/131,495.94 = 28,498.32/x
3. Step 3: Cross multiply
   87,662.79x = 131,495.94 × 28,498.32
4. Step 4: Simplify right side
   87,662.79x = 3,747,413,376.82
5. Step 5: Solve for x
   x = 3,747,413,376.82/87,662.79
6. Step 6: Final answer
   x = 42,748.05