Finding the Fourth Proportional to 1,363.88, 1,882.15 and 742.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.88 : 1,882.15 = 742.88 : x
2. Step 2: Convert to fraction form
   1,363.88/1,882.15 = 742.88/x
3. Step 3: Cross multiply
   1,363.88x = 1,882.15 × 742.88
4. Step 4: Simplify right side
   1,363.88x = 1,398,200.32
5. Step 5: Solve for x
   x = 1,398,200.32/1,363.88
6. Step 6: Final answer
   x = 1,025.17