Finding the Fourth Proportional to 9,110.81, 12,572.96 and 5,132.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,110.81 : 12,572.96 = 5,132.00 : x
2. Step 2: Convert to fraction form
   9,110.81/12,572.96 = 5,132.00/x
3. Step 3: Cross multiply
   9,110.81x = 12,572.96 × 5,132.00
4. Step 4: Simplify right side
   9,110.81x = 64,524,342.20
5. Step 5: Solve for x
   x = 64,524,342.20/9,110.81
6. Step 6: Final answer
   x = 7,082.18