Finding the Fourth Proportional to 17,112.22, 25,437.42 and 16,607.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112.22 : 25,437.42 = 16,607.72 : x
2. Step 2: Convert to fraction form
   17,112.22/25,437.42 = 16,607.72/x
3. Step 3: Cross multiply
   17,112.22x = 25,437.42 × 16,607.72
4. Step 4: Simplify right side
   17,112.22x = 422,457,548.88
5. Step 5: Solve for x
   x = 422,457,548.88/17,112.22
6. Step 6: Final answer
   x = 24,687.48