Finding the Fourth Proportional to 1,131.91, 1,562.04 and 738.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.91 : 1,562.04 = 738.70 : x
2. Step 2: Convert to fraction form
   1,131.91/1,562.04 = 738.70/x
3. Step 3: Cross multiply
   1,131.91x = 1,562.04 × 738.70
4. Step 4: Simplify right side
   1,131.91x = 1,153,878.95
5. Step 5: Solve for x
   x = 1,153,878.95/1,131.91
6. Step 6: Final answer
   x = 1,019.41