Finding the Fourth Proportional to 28,114.43, 42,150.82 and 17,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,114.43 : 42,150.82 = 17,018.50 : x
2. Step 2: Convert to fraction form
   28,114.43/42,150.82 = 17,018.50/x
3. Step 3: Cross multiply
   28,114.43x = 42,150.82 × 17,018.50
4. Step 4: Simplify right side
   28,114.43x = 717,343,434.32
5. Step 5: Solve for x
   x = 717,343,434.32/28,114.43
6. Step 6: Final answer
   x = 25,515.13