Finding the Fourth Proportional to 54,443.64, 81,648.18 and 17,499

Step by Step Solution

1. Step 1: Write the proportion equation
   54,443.64 : 81,648.18 = 17,499 : x
2. Step 2: Convert to fraction form
   54,443.64/81,648.18 = 17,499/x
3. Step 3: Cross multiply
   54,443.64x = 81,648.18 × 17,499
4. Step 4: Simplify right side
   54,443.64x = 1,428,761,501.82
5. Step 5: Solve for x
   x = 1,428,761,501.82/54,443.64
6. Step 6: Final answer
   x = 26,242.95