Finding the Fourth Proportional to 12,539.52, 17,300.64 and 8,348.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,539.52 : 17,300.64 = 8,348.48 : x
2. Step 2: Convert to fraction form
   12,539.52/17,300.64 = 8,348.48/x
3. Step 3: Cross multiply
   12,539.52x = 17,300.64 × 8,348.48
4. Step 4: Simplify right side
   12,539.52x = 144,434,047.03
5. Step 5: Solve for x
   x = 144,434,047.03/12,539.52
6. Step 6: Final answer
   x = 11,518.31