Finding the Fourth Proportional to 2,064.66, 2,847.33 and 1,915.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.66 : 2,847.33 = 1,915.62 : x
2. Step 2: Convert to fraction form
   2,064.66/2,847.33 = 1,915.62/x
3. Step 3: Cross multiply
   2,064.66x = 2,847.33 × 1,915.62
4. Step 4: Simplify right side
   2,064.66x = 5,454,402.29
5. Step 5: Solve for x
   x = 5,454,402.29/2,064.66
6. Step 6: Final answer
   x = 2,641.79