Finding the Fourth Proportional to 12,565.05, 17,341.15 and 8,031.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,565.05 : 17,341.15 = 8,031.91 : x
2. Step 2: Convert to fraction form
   12,565.05/17,341.15 = 8,031.91/x
3. Step 3: Cross multiply
   12,565.05x = 17,341.15 × 8,031.91
4. Step 4: Simplify right side
   12,565.05x = 139,282,556.10
5. Step 5: Solve for x
   x = 139,282,556.10/12,565.05
6. Step 6: Final answer
   x = 11,084.92