Finding the Fourth Proportional to 87,577.01, 131,404.43 and 42,578.27

Step by Step Solution

1. Step 1: Write the proportion equation
   87,577.01 : 131,404.43 = 42,578.27 : x
2. Step 2: Convert to fraction form
   87,577.01/131,404.43 = 42,578.27/x
3. Step 3: Cross multiply
   87,577.01x = 131,404.43 × 42,578.27
4. Step 4: Simplify right side
   87,577.01x = 5,594,973,299.74
5. Step 5: Solve for x
   x = 5,594,973,299.74/87,577.01
6. Step 6: Final answer
   x = 63,886.32