Finding the Fourth Proportional to 1,182.91, 1,773.98 and 392.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.91 : 1,773.98 = 392.12 : x
2. Step 2: Convert to fraction form
   1,182.91/1,773.98 = 392.12/x
3. Step 3: Cross multiply
   1,182.91x = 1,773.98 × 392.12
4. Step 4: Simplify right side
   1,182.91x = 695,613.04
5. Step 5: Solve for x
   x = 695,613.04/1,182.91
6. Step 6: Final answer
   x = 588.05