Finding the Fourth Proportional to 28,153.43, 42,146.01 and 17,026.46

Step by Step Solution

1. Step 1: Write the proportion equation
   28,153.43 : 42,146.01 = 17,026.46 : x
2. Step 2: Convert to fraction form
   28,153.43/42,146.01 = 17,026.46/x
3. Step 3: Cross multiply
   28,153.43x = 42,146.01 × 17,026.46
4. Step 4: Simplify right side
   28,153.43x = 717,597,353.42
5. Step 5: Solve for x
   x = 717,597,353.42/28,153.43
6. Step 6: Final answer
   x = 25,488.81