Finding the Fourth Proportional to 1,648.22, 2,469.89 and 1,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.22 : 2,469.89 = 1,526.72 : x
2. Step 2: Convert to fraction form
   1,648.22/2,469.89 = 1,526.72/x
3. Step 3: Cross multiply
   1,648.22x = 2,469.89 × 1,526.72
4. Step 4: Simplify right side
   1,648.22x = 3,770,821.93
5. Step 5: Solve for x
   x = 3,770,821.93/1,648.22
6. Step 6: Final answer
   x = 2,287.82