Finding the Fourth Proportional to 9,031.31, 12,463.70 and 5,052.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.31 : 12,463.70 = 5,052.79 : x
2. Step 2: Convert to fraction form
   9,031.31/12,463.70 = 5,052.79/x
3. Step 3: Cross multiply
   9,031.31x = 12,463.70 × 5,052.79
4. Step 4: Simplify right side
   9,031.31x = 62,976,458.72
5. Step 5: Solve for x
   x = 62,976,458.72/9,031.31
6. Step 6: Final answer
   x = 6,973.13