Finding the Fourth Proportional to 1,151.34, 1,725.45 and 630.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.34 : 1,725.45 = 630.56 : x
2. Step 2: Convert to fraction form
   1,151.34/1,725.45 = 630.56/x
3. Step 3: Cross multiply
   1,151.34x = 1,725.45 × 630.56
4. Step 4: Simplify right side
   1,151.34x = 1,087,991.12
5. Step 5: Solve for x
   x = 1,087,991.12/1,151.34
6. Step 6: Final answer
   x = 944.98