Finding the Fourth Proportional to 2,915.56, 4,371.18 and 1,761.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.56 : 4,371.18 = 1,761.04 : x
2. Step 2: Convert to fraction form
   2,915.56/4,371.18 = 1,761.04/x
3. Step 3: Cross multiply
   2,915.56x = 4,371.18 × 1,761.04
4. Step 4: Simplify right side
   2,915.56x = 7,697,822.83
5. Step 5: Solve for x
   x = 7,697,822.83/2,915.56
6. Step 6: Final answer
   x = 2,640.26