Finding the Fourth Proportional to 1,117.42, 1,541.49 and 744.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117.42 : 1,541.49 = 744.43 : x
2. Step 2: Convert to fraction form
   1,117.42/1,541.49 = 744.43/x
3. Step 3: Cross multiply
   1,117.42x = 1,541.49 × 744.43
4. Step 4: Simplify right side
   1,117.42x = 1,147,540.47
5. Step 5: Solve for x
   x = 1,147,540.47/1,117.42
6. Step 6: Final answer
   x = 1,026.96