Finding the Fourth Proportional to 1,056.72, 1,456.86 and 741.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056.72 : 1,456.86 = 741.56 : x
2. Step 2: Convert to fraction form
   1,056.72/1,456.86 = 741.56/x
3. Step 3: Cross multiply
   1,056.72x = 1,456.86 × 741.56
4. Step 4: Simplify right side
   1,056.72x = 1,080,349.10
5. Step 5: Solve for x
   x = 1,080,349.10/1,056.72
6. Step 6: Final answer
   x = 1,022.36