Finding the Fourth Proportional to 17,426.40, 26,270.89 and 16,298.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,426.40 : 26,270.89 = 16,298.88 : x
2. Step 2: Convert to fraction form
   17,426.40/26,270.89 = 16,298.88/x
3. Step 3: Cross multiply
   17,426.40x = 26,270.89 × 16,298.88
4. Step 4: Simplify right side
   17,426.40x = 428,186,036.02
5. Step 5: Solve for x
   x = 428,186,036.02/17,426.40
6. Step 6: Final answer
   x = 24,571.12