Finding the Fourth Proportional to 1,182.52, 1,627.18 and 886.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.52 : 1,627.18 = 886.84 : x
2. Step 2: Convert to fraction form
   1,182.52/1,627.18 = 886.84/x
3. Step 3: Cross multiply
   1,182.52x = 1,627.18 × 886.84
4. Step 4: Simplify right side
   1,182.52x = 1,443,048.31
5. Step 5: Solve for x
   x = 1,443,048.31/1,182.52
6. Step 6: Final answer
   x = 1,220.32