Finding the Fourth Proportional to 88,030.56, 131,987.42 and 31,863.32

Step by Step Solution

1. Step 1: Write the proportion equation
   88,030.56 : 131,987.42 = 31,863.32 : x
2. Step 2: Convert to fraction form
   88,030.56/131,987.42 = 31,863.32/x
3. Step 3: Cross multiply
   88,030.56x = 131,987.42 × 31,863.32
4. Step 4: Simplify right side
   88,030.56x = 4,205,557,399.43
5. Step 5: Solve for x
   x = 4,205,557,399.43/88,030.56
6. Step 6: Final answer
   x = 47,773.83