Finding the Fourth Proportional to 2,376.50, 3,565.49 and 915.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.50 : 3,565.49 = 915.75 : x
2. Step 2: Convert to fraction form
   2,376.50/3,565.49 = 915.75/x
3. Step 3: Cross multiply
   2,376.50x = 3,565.49 × 915.75
4. Step 4: Simplify right side
   2,376.50x = 3,265,092.89
5. Step 5: Solve for x
   x = 3,265,092.89/2,376.50
6. Step 6: Final answer
   x = 1,373.91