Finding the Fourth Proportional to 1,426.76, 1,967.18 and 1,107.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.76 : 1,967.18 = 1,107.82 : x
2. Step 2: Convert to fraction form
   1,426.76/1,967.18 = 1,107.82/x
3. Step 3: Cross multiply
   1,426.76x = 1,967.18 × 1,107.82
4. Step 4: Simplify right side
   1,426.76x = 2,179,281.35
5. Step 5: Solve for x
   x = 2,179,281.35/1,426.76
6. Step 6: Final answer
   x = 1,527.43