Finding the Fourth Proportional to 2,915.60, 4,024.60 and 1,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.60 : 4,024.60 = 1,796.72 : x
2. Step 2: Convert to fraction form
   2,915.60/4,024.60 = 1,796.72/x
3. Step 3: Cross multiply
   2,915.60x = 4,024.60 × 1,796.72
4. Step 4: Simplify right side
   2,915.60x = 7,231,079.31
5. Step 5: Solve for x
   x = 7,231,079.31/2,915.60
6. Step 6: Final answer
   x = 2,480.13