Finding the Fourth Proportional to 1,359.10, 1,875.55 and 738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.10 : 1,875.55 = 738.10 : x
2. Step 2: Convert to fraction form
   1,359.10/1,875.55 = 738.10/x
3. Step 3: Cross multiply
   1,359.10x = 1,875.55 × 738.10
4. Step 4: Simplify right side
   1,359.10x = 1,384,336.92
5. Step 5: Solve for x
   x = 1,384,336.92/1,359.10
6. Step 6: Final answer
   x = 1,018.57