Finding the Fourth Proportional to 2,916.59, 4,400.87 and 2,802.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.59 : 4,400.87 = 2,802.69 : x
2. Step 2: Convert to fraction form
   2,916.59/4,400.87 = 2,802.69/x
3. Step 3: Cross multiply
   2,916.59x = 4,400.87 × 2,802.69
4. Step 4: Simplify right side
   2,916.59x = 12,334,260.33
5. Step 5: Solve for x
   x = 12,334,260.33/2,916.59
6. Step 6: Final answer
   x = 4,229.01