Finding the Fourth Proportional to 2,514.09, 3,469.71 and 1,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.09 : 3,469.71 = 1,915.50 : x
2. Step 2: Convert to fraction form
   2,514.09/3,469.71 = 1,915.50/x
3. Step 3: Cross multiply
   2,514.09x = 3,469.71 × 1,915.50
4. Step 4: Simplify right side
   2,514.09x = 6,646,229.51
5. Step 5: Solve for x
   x = 6,646,229.51/2,514.09
6. Step 6: Final answer
   x = 2,643.59