Finding the Fourth Proportional to 2,748.90, 3,792.12 and 1,963.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.90 : 3,792.12 = 1,963.42 : x
2. Step 2: Convert to fraction form
   2,748.90/3,792.12 = 1,963.42/x
3. Step 3: Cross multiply
   2,748.90x = 3,792.12 × 1,963.42
4. Step 4: Simplify right side
   2,748.90x = 7,445,524.25
5. Step 5: Solve for x
   x = 7,445,524.25/2,748.90
6. Step 6: Final answer
   x = 2,708.55