Finding the Fourth Proportional to 2,910.43, 4,364.18 and 1,266.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.43 : 4,364.18 = 1,266.23 : x
2. Step 2: Convert to fraction form
   2,910.43/4,364.18 = 1,266.23/x
3. Step 3: Cross multiply
   2,910.43x = 4,364.18 × 1,266.23
4. Step 4: Simplify right side
   2,910.43x = 5,526,064.97
5. Step 5: Solve for x
   x = 5,526,064.97/2,910.43
6. Step 6: Final answer
   x = 1,898.71