Finding the Fourth Proportional to 12,566.69, 17,345.31 and 7,534.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,566.69 : 17,345.31 = 7,534.16 : x
2. Step 2: Convert to fraction form
   12,566.69/17,345.31 = 7,534.16/x
3. Step 3: Cross multiply
   12,566.69x = 17,345.31 × 7,534.16
4. Step 4: Simplify right side
   12,566.69x = 130,682,340.79
5. Step 5: Solve for x
   x = 130,682,340.79/12,566.69
6. Step 6: Final answer
   x = 10,399.11