Finding the Fourth Proportional to 1,924.20, 2,653.98 and 1,426.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.20 : 2,653.98 = 1,426.86 : x
2. Step 2: Convert to fraction form
   1,924.20/2,653.98 = 1,426.86/x
3. Step 3: Cross multiply
   1,924.20x = 2,653.98 × 1,426.86
4. Step 4: Simplify right side
   1,924.20x = 3,786,857.90
5. Step 5: Solve for x
   x = 3,786,857.90/1,924.20
6. Step 6: Final answer
   x = 1,968.02