Finding the Fourth Proportional to 1,610.52, 2,414.00 and 915.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.52 : 2,414.00 = 915.71 : x
2. Step 2: Convert to fraction form
   1,610.52/2,414.00 = 915.71/x
3. Step 3: Cross multiply
   1,610.52x = 2,414.00 × 915.71
4. Step 4: Simplify right side
   1,610.52x = 2,210,514.16
5. Step 5: Solve for x
   x = 2,210,514.16/1,610.52
6. Step 6: Final answer
   x = 1,372.55