Finding the Fourth Proportional to 9,302.72, 12,837.76 and 5,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,302.72 : 12,837.76 = 5,111.04 : x
2. Step 2: Convert to fraction form
   9,302.72/12,837.76 = 5,111.04/x
3. Step 3: Cross multiply
   9,302.72x = 12,837.76 × 5,111.04
4. Step 4: Simplify right side
   9,302.72x = 65,614,304.87
5. Step 5: Solve for x
   x = 65,614,304.87/9,302.72
6. Step 6: Final answer
   x = 7,053.24