Finding the Fourth Proportional to 12,539.88, 17,300.52 and 8,769.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,539.88 : 17,300.52 = 8,769.06 : x
2. Step 2: Convert to fraction form
   12,539.88/17,300.52 = 8,769.06/x
3. Step 3: Cross multiply
   12,539.88x = 17,300.52 × 8,769.06
4. Step 4: Simplify right side
   12,539.88x = 151,709,297.91
5. Step 5: Solve for x
   x = 151,709,297.91/12,539.88
6. Step 6: Final answer
   x = 12,098.15