Finding the Fourth Proportional to 3,080.18, 4,617.50 and 1,131.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,080.18 : 4,617.50 = 1,131.90 : x
2. Step 2: Convert to fraction form
   3,080.18/4,617.50 = 1,131.90/x
3. Step 3: Cross multiply
   3,080.18x = 4,617.50 × 1,131.90
4. Step 4: Simplify right side
   3,080.18x = 5,226,542.59
5. Step 5: Solve for x
   x = 5,226,542.59/3,080.18
6. Step 6: Final answer
   x = 1,696.83