Finding the Fourth Proportional to 9,301.52, 12,839.47 and 6,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,301.52 : 12,839.47 = 6,158.72 : x
2. Step 2: Convert to fraction form
   9,301.52/12,839.47 = 6,158.72/x
3. Step 3: Cross multiply
   9,301.52x = 12,839.47 × 6,158.72
4. Step 4: Simplify right side
   9,301.52x = 79,074,637.79
5. Step 5: Solve for x
   x = 79,074,637.79/9,301.52
6. Step 6: Final answer
   x = 8,501.26