Finding the Fourth Proportional to 2,454.18, 3,387.98 and 1,672.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.18 : 3,387.98 = 1,672.34 : x
2. Step 2: Convert to fraction form
   2,454.18/3,387.98 = 1,672.34/x
3. Step 3: Cross multiply
   2,454.18x = 3,387.98 × 1,672.34
4. Step 4: Simplify right side
   2,454.18x = 5,665,829.17
5. Step 5: Solve for x
   x = 5,665,829.17/2,454.18
6. Step 6: Final answer
   x = 2,308.64