Finding the Fourth Proportional to 2,979.09, 4,467.33 and 1,131.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.09 : 4,467.33 = 1,131.66 : x
2. Step 2: Convert to fraction form
   2,979.09/4,467.33 = 1,131.66/x
3. Step 3: Cross multiply
   2,979.09x = 4,467.33 × 1,131.66
4. Step 4: Simplify right side
   2,979.09x = 5,055,498.67
5. Step 5: Solve for x
   x = 5,055,498.67/2,979.09
6. Step 6: Final answer
   x = 1,696.99