Finding the Fourth Proportional to 9,126.27, 12,593.93 and 5,147.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.27 : 12,593.93 = 5,147.15 : x
2. Step 2: Convert to fraction form
   9,126.27/12,593.93 = 5,147.15/x
3. Step 3: Cross multiply
   9,126.27x = 12,593.93 × 5,147.15
4. Step 4: Simplify right side
   9,126.27x = 64,822,758.09
5. Step 5: Solve for x
   x = 64,822,758.09/9,126.27
6. Step 6: Final answer
   x = 7,102.88