Finding the Fourth Proportional to 2,610.17, 3,915.24 and 880.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.17 : 3,915.24 = 880.01 : x
2. Step 2: Convert to fraction form
   2,610.17/3,915.24 = 880.01/x
3. Step 3: Cross multiply
   2,610.17x = 3,915.24 × 880.01
4. Step 4: Simplify right side
   2,610.17x = 3,445,430.78
5. Step 5: Solve for x
   x = 3,445,430.78/2,610.17
6. Step 6: Final answer
   x = 1,320.00