Finding the Fourth Proportional to 52,229.92, 72,077.73 and 30,713.92

Step by Step Solution

1. Step 1: Write the proportion equation
   52,229.92 : 72,077.73 = 30,713.92 : x
2. Step 2: Convert to fraction form
   52,229.92/72,077.73 = 30,713.92/x
3. Step 3: Cross multiply
   52,229.92x = 72,077.73 × 30,713.92
4. Step 4: Simplify right side
   52,229.92x = 2,213,789,633.00
5. Step 5: Solve for x
   x = 2,213,789,633.00/52,229.92
6. Step 6: Final answer
   x = 42,385.47