Finding the Fourth Proportional to 2,625.31, 3,940.53 and 2,046.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.31 : 3,940.53 = 2,046.61 : x
2. Step 2: Convert to fraction form
   2,625.31/3,940.53 = 2,046.61/x
3. Step 3: Cross multiply
   2,625.31x = 3,940.53 × 2,046.61
4. Step 4: Simplify right side
   2,625.31x = 8,064,728.10
5. Step 5: Solve for x
   x = 8,064,728.10/2,625.31
6. Step 6: Final answer
   x = 3,071.91