Finding the Fourth Proportional to 2,366.42, 3,550.91 and 979.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,366.42 : 3,550.91 = 979.86 : x
2. Step 2: Convert to fraction form
   2,366.42/3,550.91 = 979.86/x
3. Step 3: Cross multiply
   2,366.42x = 3,550.91 × 979.86
4. Step 4: Simplify right side
   2,366.42x = 3,479,389.77
5. Step 5: Solve for x
   x = 3,479,389.77/2,366.42
6. Step 6: Final answer
   x = 1,470.32