Finding the Fourth Proportional to 17,123.10, 25,723.05 and 16,470.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.10 : 25,723.05 = 16,470.30 : x
2. Step 2: Convert to fraction form
   17,123.10/25,723.05 = 16,470.30/x
3. Step 3: Cross multiply
   17,123.10x = 25,723.05 × 16,470.30
4. Step 4: Simplify right side
   17,123.10x = 423,666,350.42
5. Step 5: Solve for x
   x = 423,666,350.42/17,123.10
6. Step 6: Final answer
   x = 24,742.39