Finding the Fourth Proportional to 4,983.30, 7,466.85 and 3,131.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,983.30 : 7,466.85 = 3,131.10 : x
2. Step 2: Convert to fraction form
   4,983.30/7,466.85 = 3,131.10/x
3. Step 3: Cross multiply
   4,983.30x = 7,466.85 × 3,131.10
4. Step 4: Simplify right side
   4,983.30x = 23,379,454.04
5. Step 5: Solve for x
   x = 23,379,454.04/4,983.30
6. Step 6: Final answer
   x = 4,691.56