Finding the Fourth Proportional to 87,734.73, 131,611.31 and 28,575.01

Step by Step Solution

1. Step 1: Write the proportion equation
   87,734.73 : 131,611.31 = 28,575.01 : x
2. Step 2: Convert to fraction form
   87,734.73/131,611.31 = 28,575.01/x
3. Step 3: Cross multiply
   87,734.73x = 131,611.31 × 28,575.01
4. Step 4: Simplify right side
   87,734.73x = 3,760,794,788.89
5. Step 5: Solve for x
   x = 3,760,794,788.89/87,734.73
6. Step 6: Final answer
   x = 42,865.52