Finding the Fourth Proportional to 79,070.73, 109,162.72 and 52,290.92

Step by Step Solution

1. Step 1: Write the proportion equation
   79,070.73 : 109,162.72 = 52,290.92 : x
2. Step 2: Convert to fraction form
   79,070.73/109,162.72 = 52,290.92/x
3. Step 3: Cross multiply
   79,070.73x = 109,162.72 × 52,290.92
4. Step 4: Simplify right side
   79,070.73x = 5,708,218,512.69
5. Step 5: Solve for x
   x = 5,708,218,512.69/79,070.73
6. Step 6: Final answer
   x = 72,191.30