Finding the Fourth Proportional to 12,385.56, 17,095.95 and 8,358.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.56 : 17,095.95 = 8,358.24 : x
2. Step 2: Convert to fraction form
   12,385.56/17,095.95 = 8,358.24/x
3. Step 3: Cross multiply
   12,385.56x = 17,095.95 × 8,358.24
4. Step 4: Simplify right side
   12,385.56x = 142,892,053.13
5. Step 5: Solve for x
   x = 142,892,053.13/12,385.56
6. Step 6: Final answer
   x = 11,536.99