Finding the Fourth Proportional to 1,648.04, 2,290.43 and 1,630.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.04 : 2,290.43 = 1,630.76 : x
2. Step 2: Convert to fraction form
   1,648.04/2,290.43 = 1,630.76/x
3. Step 3: Cross multiply
   1,648.04x = 2,290.43 × 1,630.76
4. Step 4: Simplify right side
   1,648.04x = 3,735,141.63
5. Step 5: Solve for x
   x = 3,735,141.63/1,648.04
6. Step 6: Final answer
   x = 2,266.41