Finding the Fourth Proportional to 17,932.23, 24,789.78 and 16,437.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,932.23 : 24,789.78 = 16,437.78 : x
2. Step 2: Convert to fraction form
   17,932.23/24,789.78 = 16,437.78/x
3. Step 3: Cross multiply
   17,932.23x = 24,789.78 × 16,437.78
4. Step 4: Simplify right side
   17,932.23x = 407,488,949.89
5. Step 5: Solve for x
   x = 407,488,949.89/17,932.23
6. Step 6: Final answer
   x = 22,723.83