Finding the Fourth Proportional to 1,404.94, 1,935.65 and 979.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.94 : 1,935.65 = 979.16 : x
2. Step 2: Convert to fraction form
   1,404.94/1,935.65 = 979.16/x
3. Step 3: Cross multiply
   1,404.94x = 1,935.65 × 979.16
4. Step 4: Simplify right side
   1,404.94x = 1,895,306.16
5. Step 5: Solve for x
   x = 1,895,306.16/1,404.94
6. Step 6: Final answer
   x = 1,349.03