Finding the Fourth Proportional to 2,610.18, 3,915.24 and 880.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.18 : 3,915.24 = 880.02 : x
2. Step 2: Convert to fraction form
   2,610.18/3,915.24 = 880.02/x
3. Step 3: Cross multiply
   2,610.18x = 3,915.24 × 880.02
4. Step 4: Simplify right side
   2,610.18x = 3,445,489.50
5. Step 5: Solve for x
   x = 3,445,489.50/2,610.18
6. Step 6: Final answer
   x = 1,320.02