Finding the Fourth Proportional to 1,934.28, 2,665.71 and 1,436.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.28 : 2,665.71 = 1,436.13 : x
2. Step 2: Convert to fraction form
   1,934.28/2,665.71 = 1,436.13/x
3. Step 3: Cross multiply
   1,934.28x = 2,665.71 × 1,436.13
4. Step 4: Simplify right side
   1,934.28x = 3,828,306.10
5. Step 5: Solve for x
   x = 3,828,306.10/1,934.28
6. Step 6: Final answer
   x = 1,979.19