Finding the Fourth Proportional to 1,917.98, 2,648.12 and 1,469.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917.98 : 2,648.12 = 1,469.06 : x
2. Step 2: Convert to fraction form
   1,917.98/2,648.12 = 1,469.06/x
3. Step 3: Cross multiply
   1,917.98x = 2,648.12 × 1,469.06
4. Step 4: Simplify right side
   1,917.98x = 3,890,247.17
5. Step 5: Solve for x
   x = 3,890,247.17/1,917.98
6. Step 6: Final answer
   x = 2,028.30