Finding the Fourth Proportional to 1,151.40, 1,724.34 and 630.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.40 : 1,724.34 = 630.62 : x
2. Step 2: Convert to fraction form
   1,151.40/1,724.34 = 630.62/x
3. Step 3: Cross multiply
   1,151.40x = 1,724.34 × 630.62
4. Step 4: Simplify right side
   1,151.40x = 1,087,403.29
5. Step 5: Solve for x
   x = 1,087,403.29/1,151.40
6. Step 6: Final answer
   x = 944.42