Finding the Fourth Proportional to 1,956.43, 2,932.59 and 915.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.43 : 2,932.59 = 915.56 : x
2. Step 2: Convert to fraction form
   1,956.43/2,932.59 = 915.56/x
3. Step 3: Cross multiply
   1,956.43x = 2,932.59 × 915.56
4. Step 4: Simplify right side
   1,956.43x = 2,684,949.73
5. Step 5: Solve for x
   x = 2,684,949.73/1,956.43
6. Step 6: Final answer
   x = 1,372.37