Finding the Fourth Proportional to 1,648.75, 2,468.82 and 1,318.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.75 : 2,468.82 = 1,318.17 : x
2. Step 2: Convert to fraction form
   1,648.75/2,468.82 = 1,318.17/x
3. Step 3: Cross multiply
   1,648.75x = 2,468.82 × 1,318.17
4. Step 4: Simplify right side
   1,648.75x = 3,254,324.46
5. Step 5: Solve for x
   x = 3,254,324.46/1,648.75
6. Step 6: Final answer
   x = 1,973.81