Finding the Fourth Proportional to 88,043.98, 131,987.04 and 31,870.93

Step by Step Solution

1. Step 1: Write the proportion equation
   88,043.98 : 131,987.04 = 31,870.93 : x
2. Step 2: Convert to fraction form
   88,043.98/131,987.04 = 31,870.93/x
3. Step 3: Cross multiply
   88,043.98x = 131,987.04 × 31,870.93
4. Step 4: Simplify right side
   88,043.98x = 4,206,549,712.75
5. Step 5: Solve for x
   x = 4,206,549,712.75/88,043.98
6. Step 6: Final answer
   x = 47,777.82