Finding the Fourth Proportional to 1,359.57, 1,876.22 and 738.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.57 : 1,876.22 = 738.57 : x
2. Step 2: Convert to fraction form
   1,359.57/1,876.22 = 738.57/x
3. Step 3: Cross multiply
   1,359.57x = 1,876.22 × 738.57
4. Step 4: Simplify right side
   1,359.57x = 1,385,716.11
5. Step 5: Solve for x
   x = 1,385,716.11/1,359.57
6. Step 6: Final answer
   x = 1,019.23