Finding the Fourth Proportional to 13,080.52, 17,809.62 and 13,039.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.52 : 17,809.62 = 13,039.00 : x
2. Step 2: Convert to fraction form
   13,080.52/17,809.62 = 13,039.00/x
3. Step 3: Cross multiply
   13,080.52x = 17,809.62 × 13,039.00
4. Step 4: Simplify right side
   13,080.52x = 232,219,480.94
5. Step 5: Solve for x
   x = 232,219,480.94/13,080.52
6. Step 6: Final answer
   x = 17,753.08