Finding the Fourth Proportional to 9,141.02, 12,613.88 and 5,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.02 : 12,613.88 = 5,162.52 : x
2. Step 2: Convert to fraction form
   9,141.02/12,613.88 = 5,162.52/x
3. Step 3: Cross multiply
   9,141.02x = 12,613.88 × 5,162.52
4. Step 4: Simplify right side
   9,141.02x = 65,119,407.78
5. Step 5: Solve for x
   x = 65,119,407.78/9,141.02
6. Step 6: Final answer
   x = 7,123.87