Finding the Fourth Proportional to 1,182.72, 1,630.98 and 933.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.72 : 1,630.98 = 933.54 : x
2. Step 2: Convert to fraction form
   1,182.72/1,630.98 = 933.54/x
3. Step 3: Cross multiply
   1,182.72x = 1,630.98 × 933.54
4. Step 4: Simplify right side
   1,182.72x = 1,522,585.07
5. Step 5: Solve for x
   x = 1,522,585.07/1,182.72
6. Step 6: Final answer
   x = 1,287.36