Finding the Fourth Proportional to 1,359.09, 1,875.56 and 738.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.09 : 1,875.56 = 738.09 : x
2. Step 2: Convert to fraction form
   1,359.09/1,875.56 = 738.09/x
3. Step 3: Cross multiply
   1,359.09x = 1,875.56 × 738.09
4. Step 4: Simplify right side
   1,359.09x = 1,384,328.39
5. Step 5: Solve for x
   x = 1,384,328.39/1,359.09
6. Step 6: Final answer
   x = 1,018.57