Finding the Fourth Proportional to 2,376.54, 3,562.38 and 915.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.54 : 3,562.38 = 915.12 : x
2. Step 2: Convert to fraction form
   2,376.54/3,562.38 = 915.12/x
3. Step 3: Cross multiply
   2,376.54x = 3,562.38 × 915.12
4. Step 4: Simplify right side
   2,376.54x = 3,260,005.19
5. Step 5: Solve for x
   x = 3,260,005.19/2,376.54
6. Step 6: Final answer
   x = 1,371.74