Finding the Fourth Proportional to 2,650.98, 3,973.48 and 1,263.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.98 : 3,973.48 = 1,263.18 : x
2. Step 2: Convert to fraction form
   2,650.98/3,973.48 = 1,263.18/x
3. Step 3: Cross multiply
   2,650.98x = 3,973.48 × 1,263.18
4. Step 4: Simplify right side
   2,650.98x = 5,019,220.47
5. Step 5: Solve for x
   x = 5,019,220.47/2,650.98
6. Step 6: Final answer
   x = 1,893.35