Finding the Fourth Proportional to 81,811.32, 112,854.84 and 52,748.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,811.32 : 112,854.84 = 52,748.76 : x
2. Step 2: Convert to fraction form
   81,811.32/112,854.84 = 52,748.76/x
3. Step 3: Cross multiply
   81,811.32x = 112,854.84 × 52,748.76
4. Step 4: Simplify right side
   81,811.32x = 5,952,952,870.00
5. Step 5: Solve for x
   x = 5,952,952,870.00/81,811.32
6. Step 6: Final answer
   x = 72,764.42