Finding the Fourth Proportional to 51,665.12, 71,305.38 and 29,013.48

Step by Step Solution

1. Step 1: Write the proportion equation
   51,665.12 : 71,305.38 = 29,013.48 : x
2. Step 2: Convert to fraction form
   51,665.12/71,305.38 = 29,013.48/x
3. Step 3: Cross multiply
   51,665.12x = 71,305.38 × 29,013.48
4. Step 4: Simplify right side
   51,665.12x = 2,068,817,216.52
5. Step 5: Solve for x
   x = 2,068,817,216.52/51,665.12
6. Step 6: Final answer
   x = 40,042.82