Finding the Fourth Proportional to 1,426.60, 1,966.98 and 1,111.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.60 : 1,966.98 = 1,111.24 : x
2. Step 2: Convert to fraction form
   1,426.60/1,966.98 = 1,111.24/x
3. Step 3: Cross multiply
   1,426.60x = 1,966.98 × 1,111.24
4. Step 4: Simplify right side
   1,426.60x = 2,185,786.86
5. Step 5: Solve for x
   x = 2,185,786.86/1,426.60
6. Step 6: Final answer
   x = 1,532.17