Finding the Fourth Proportional to 1,153.34, 1,728.46 and 632.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,153.34 : 1,728.46 = 632.56 : x
2. Step 2: Convert to fraction form
   1,153.34/1,728.46 = 632.56/x
3. Step 3: Cross multiply
   1,153.34x = 1,728.46 × 632.56
4. Step 4: Simplify right side
   1,153.34x = 1,093,354.66
5. Step 5: Solve for x
   x = 1,093,354.66/1,153.34
6. Step 6: Final answer
   x = 947.99