Finding the Fourth Proportional to 2,880.16, 4,316.83 and 1,648.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880.16 : 4,316.83 = 1,648.42 : x
2. Step 2: Convert to fraction form
   2,880.16/4,316.83 = 1,648.42/x
3. Step 3: Cross multiply
   2,880.16x = 4,316.83 × 1,648.42
4. Step 4: Simplify right side
   2,880.16x = 7,115,948.91
5. Step 5: Solve for x
   x = 7,115,948.91/2,880.16
6. Step 6: Final answer
   x = 2,470.68