Finding the Fourth Proportional to 17,471.56, 24,134.34 and 13,959.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,471.56 : 24,134.34 = 13,959.40 : x
2. Step 2: Convert to fraction form
   17,471.56/24,134.34 = 13,959.40/x
3. Step 3: Cross multiply
   17,471.56x = 24,134.34 × 13,959.40
4. Step 4: Simplify right side
   17,471.56x = 336,900,905.80
5. Step 5: Solve for x
   x = 336,900,905.80/17,471.56
6. Step 6: Final answer
   x = 19,282.82