Finding the Fourth Proportional to 17,662.10, 26,499.62 and 16,618.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,662.10 : 26,499.62 = 16,618.82 : x
2. Step 2: Convert to fraction form
   17,662.10/26,499.62 = 16,618.82/x
3. Step 3: Cross multiply
   17,662.10x = 26,499.62 × 16,618.82
4. Step 4: Simplify right side
   17,662.10x = 440,392,331.75
5. Step 5: Solve for x
   x = 440,392,331.75/17,662.10
6. Step 6: Final answer
   x = 24,934.31