Finding the Fourth Proportional to 1,131.46, 1,700.64 and 1,107.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.46 : 1,700.64 = 1,107.24 : x
2. Step 2: Convert to fraction form
   1,131.46/1,700.64 = 1,107.24/x
3. Step 3: Cross multiply
   1,131.46x = 1,700.64 × 1,107.24
4. Step 4: Simplify right side
   1,131.46x = 1,883,016.63
5. Step 5: Solve for x
   x = 1,883,016.63/1,131.46
6. Step 6: Final answer
   x = 1,664.24