Finding the Fourth Proportional to 17,760.98, 26,616.07 and 13,043.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,760.98 : 26,616.07 = 13,043.98 : x
2. Step 2: Convert to fraction form
   17,760.98/26,616.07 = 13,043.98/x
3. Step 3: Cross multiply
   17,760.98x = 26,616.07 × 13,043.98
4. Step 4: Simplify right side
   17,760.98x = 347,179,385.61
5. Step 5: Solve for x
   x = 347,179,385.61/17,760.98
6. Step 6: Final answer
   x = 19,547.31