Finding the Fourth Proportional to 3,320.43, 4,978.32 and 1,470.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,320.43 : 4,978.32 = 1,470.54 : x
2. Step 2: Convert to fraction form
   3,320.43/4,978.32 = 1,470.54/x
3. Step 3: Cross multiply
   3,320.43x = 4,978.32 × 1,470.54
4. Step 4: Simplify right side
   3,320.43x = 7,320,818.69
5. Step 5: Solve for x
   x = 7,320,818.69/3,320.43
6. Step 6: Final answer
   x = 2,204.78