Finding the Fourth Proportional to 1,359.36, 1,875.83 and 753.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.36 : 1,875.83 = 753.57 : x
2. Step 2: Convert to fraction form
   1,359.36/1,875.83 = 753.57/x
3. Step 3: Cross multiply
   1,359.36x = 1,875.83 × 753.57
4. Step 4: Simplify right side
   1,359.36x = 1,413,565.45
5. Step 5: Solve for x
   x = 1,413,565.45/1,359.36
6. Step 6: Final answer
   x = 1,039.88