Finding the Fourth Proportional to 17,111.43, 23,442.25 and 16,471.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.43 : 23,442.25 = 16,471.80 : x
2. Step 2: Convert to fraction form
   17,111.43/23,442.25 = 16,471.80/x
3. Step 3: Cross multiply
   17,111.43x = 23,442.25 × 16,471.80
4. Step 4: Simplify right side
   17,111.43x = 386,135,936.34
5. Step 5: Solve for x
   x = 386,135,936.34/17,111.43
6. Step 6: Final answer
   x = 22,565.97