Finding the Fourth Proportional to 3,079.32, 4,618.89 and 1,131

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079.32 : 4,618.89 = 1,131 : x
2. Step 2: Convert to fraction form
   3,079.32/4,618.89 = 1,131/x
3. Step 3: Cross multiply
   3,079.32x = 4,618.89 × 1,131
4. Step 4: Simplify right side
   3,079.32x = 5,223,964.59
5. Step 5: Solve for x
   x = 5,223,964.59/3,079.32
6. Step 6: Final answer
   x = 1,696.47