Finding the Fourth Proportional to 1,454.78, 2,182.72 and 675.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.78 : 2,182.72 = 675.15 : x
2. Step 2: Convert to fraction form
   1,454.78/2,182.72 = 675.15/x
3. Step 3: Cross multiply
   1,454.78x = 2,182.72 × 675.15
4. Step 4: Simplify right side
   1,454.78x = 1,473,663.41
5. Step 5: Solve for x
   x = 1,473,663.41/1,454.78
6. Step 6: Final answer
   x = 1,012.98