Finding the Fourth Proportional to 2,650.88, 3,973.72 and 1,263.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.88 : 3,973.72 = 1,263.84 : x
2. Step 2: Convert to fraction form
   2,650.88/3,973.72 = 1,263.84/x
3. Step 3: Cross multiply
   2,650.88x = 3,973.72 × 1,263.84
4. Step 4: Simplify right side
   2,650.88x = 5,022,146.28
5. Step 5: Solve for x
   x = 5,022,146.28/2,650.88
6. Step 6: Final answer
   x = 1,894.52