Finding the Fourth Proportional to 915.16, 1,373.56 and 741.42

Step by Step Solution

1. Step 1: Write the proportion equation
   915.16 : 1,373.56 = 741.42 : x
2. Step 2: Convert to fraction form
   915.16/1,373.56 = 741.42/x
3. Step 3: Cross multiply
   915.16x = 1,373.56 × 741.42
4. Step 4: Simplify right side
   915.16x = 1,018,384.86
5. Step 5: Solve for x
   x = 1,018,384.86/915.16
6. Step 6: Final answer
   x = 1,112.79