Finding the Fourth Proportional to 2,656.62, 3,981.16 and 1,268.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.62 : 3,981.16 = 1,268.82 : x
2. Step 2: Convert to fraction form
   2,656.62/3,981.16 = 1,268.82/x
3. Step 3: Cross multiply
   2,656.62x = 3,981.16 × 1,268.82
4. Step 4: Simplify right side
   2,656.62x = 5,051,375.43
5. Step 5: Solve for x
   x = 5,051,375.43/2,656.62
6. Step 6: Final answer
   x = 1,901.43