Finding the Fourth Proportional to 1,672.47, 2,498.52 and 1,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.47 : 2,498.52 = 1,200.18 : x
2. Step 2: Convert to fraction form
   1,672.47/2,498.52 = 1,200.18/x
3. Step 3: Cross multiply
   1,672.47x = 2,498.52 × 1,200.18
4. Step 4: Simplify right side
   1,672.47x = 2,998,673.73
5. Step 5: Solve for x
   x = 2,998,673.73/1,672.47
6. Step 6: Final answer
   x = 1,792.96