Finding the Fourth Proportional to 1,359.76, 1,876.46 and 738.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.76 : 1,876.46 = 738.76 : x
2. Step 2: Convert to fraction form
   1,359.76/1,876.46 = 738.76/x
3. Step 3: Cross multiply
   1,359.76x = 1,876.46 × 738.76
4. Step 4: Simplify right side
   1,359.76x = 1,386,253.59
5. Step 5: Solve for x
   x = 1,386,253.59/1,359.76
6. Step 6: Final answer
   x = 1,019.48