Finding the Fourth Proportional to 12,538.58, 17,295.42 and 8,068.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538.58 : 17,295.42 = 8,068.16 : x
2. Step 2: Convert to fraction form
   12,538.58/17,295.42 = 8,068.16/x
3. Step 3: Cross multiply
   12,538.58x = 17,295.42 × 8,068.16
4. Step 4: Simplify right side
   12,538.58x = 139,542,215.83
5. Step 5: Solve for x
   x = 139,542,215.83/12,538.58
6. Step 6: Final answer
   x = 11,129.03