Finding the Fourth Proportional to 2,442.60, 3,654.72 and 1,622.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.60 : 3,654.72 = 1,622.88 : x
2. Step 2: Convert to fraction form
   2,442.60/3,654.72 = 1,622.88/x
3. Step 3: Cross multiply
   2,442.60x = 3,654.72 × 1,622.88
4. Step 4: Simplify right side
   2,442.60x = 5,931,171.99
5. Step 5: Solve for x
   x = 5,931,171.99/2,442.60
6. Step 6: Final answer
   x = 2,428.22