Finding the Fourth Proportional to 2,580.80, 3,869.52 and 1,470.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.80 : 3,869.52 = 1,470.24 : x
2. Step 2: Convert to fraction form
   2,580.80/3,869.52 = 1,470.24/x
3. Step 3: Cross multiply
   2,580.80x = 3,869.52 × 1,470.24
4. Step 4: Simplify right side
   2,580.80x = 5,689,123.08
5. Step 5: Solve for x
   x = 5,689,123.08/2,580.80
6. Step 6: Final answer
   x = 2,204.40