Finding the Fourth Proportional to 2,454.40, 3,386.88 and 1,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.40 : 3,386.88 = 1,522.72 : x
2. Step 2: Convert to fraction form
   2,454.40/3,386.88 = 1,522.72/x
3. Step 3: Cross multiply
   2,454.40x = 3,386.88 × 1,522.72
4. Step 4: Simplify right side
   2,454.40x = 5,157,269.91
5. Step 5: Solve for x
   x = 5,157,269.91/2,454.40
6. Step 6: Final answer
   x = 2,101.23