Finding the Fourth Proportional to 2,433.60, 3,354.72 and 1,769.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.60 : 3,354.72 = 1,769.40 : x
2. Step 2: Convert to fraction form
   2,433.60/3,354.72 = 1,769.40/x
3. Step 3: Cross multiply
   2,433.60x = 3,354.72 × 1,769.40
4. Step 4: Simplify right side
   2,433.60x = 5,935,841.57
5. Step 5: Solve for x
   x = 5,935,841.57/2,433.60
6. Step 6: Final answer
   x = 2,439.12