Finding the Fourth Proportional to 53,414.72, 73,718.88 and 31,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,414.72 : 73,718.88 = 31,058.72 : x
2. Step 2: Convert to fraction form
   53,414.72/73,718.88 = 31,058.72/x
3. Step 3: Cross multiply
   53,414.72x = 73,718.88 × 31,058.72
4. Step 4: Simplify right side
   53,414.72x = 2,289,614,052.63
5. Step 5: Solve for x
   x = 2,289,614,052.63/53,414.72
6. Step 6: Final answer
   x = 42,864.85