Finding the Fourth Proportional to 2,532.78, 3,491.91 and 1,648.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,532.78 : 3,491.91 = 1,648.26 : x
2. Step 2: Convert to fraction form
   2,532.78/3,491.91 = 1,648.26/x
3. Step 3: Cross multiply
   2,532.78x = 3,491.91 × 1,648.26
4. Step 4: Simplify right side
   2,532.78x = 5,755,575.58
5. Step 5: Solve for x
   x = 5,755,575.58/2,532.78
6. Step 6: Final answer
   x = 2,272.43