Finding the Fourth Proportional to 1,382.71, 1,908.13 and 753.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.71 : 1,908.13 = 753.27 : x
2. Step 2: Convert to fraction form
   1,382.71/1,908.13 = 753.27/x
3. Step 3: Cross multiply
   1,382.71x = 1,908.13 × 753.27
4. Step 4: Simplify right side
   1,382.71x = 1,437,333.32
5. Step 5: Solve for x
   x = 1,437,333.32/1,382.71
6. Step 6: Final answer
   x = 1,039.51