Finding the Fourth Proportional to 1,151.61, 1,724.41 and 630.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.61 : 1,724.41 = 630.53 : x
2. Step 2: Convert to fraction form
   1,151.61/1,724.41 = 630.53/x
3. Step 3: Cross multiply
   1,151.61x = 1,724.41 × 630.53
4. Step 4: Simplify right side
   1,151.61x = 1,087,287.32
5. Step 5: Solve for x
   x = 1,087,287.32/1,151.61
6. Step 6: Final answer
   x = 944.14