Finding the Fourth Proportional to 1,915.59, 2,869.69 and 1,414.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.59 : 2,869.69 = 1,414.38 : x
2. Step 2: Convert to fraction form
   1,915.59/2,869.69 = 1,414.38/x
3. Step 3: Cross multiply
   1,915.59x = 2,869.69 × 1,414.38
4. Step 4: Simplify right side
   1,915.59x = 4,058,832.14
5. Step 5: Solve for x
   x = 4,058,832.14/1,915.59
6. Step 6: Final answer
   x = 2,118.84