Finding the Fourth Proportional to 2,915.81, 4,026.33 and 2,500.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.81 : 4,026.33 = 2,500.28 : x
2. Step 2: Convert to fraction form
   2,915.81/4,026.33 = 2,500.28/x
3. Step 3: Cross multiply
   2,915.81x = 4,026.33 × 2,500.28
4. Step 4: Simplify right side
   2,915.81x = 10,066,919.74
5. Step 5: Solve for x
   x = 10,066,919.74/2,915.81
6. Step 6: Final answer
   x = 3,452.54