Finding the Fourth Proportional to 12,539.00, 17,298.26 and 8,061.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,539.00 : 17,298.26 = 8,061.05 : x
2. Step 2: Convert to fraction form
   12,539.00/17,298.26 = 8,061.05/x
3. Step 3: Cross multiply
   12,539.00x = 17,298.26 × 8,061.05
4. Step 4: Simplify right side
   12,539.00x = 139,442,171.94
5. Step 5: Solve for x
   x = 139,442,171.94/12,539.00
6. Step 6: Final answer
   x = 11,120.68