Finding the Fourth Proportional to 1,150.08, 1,732.43 and 1,120.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.08 : 1,732.43 = 1,120.92 : x
2. Step 2: Convert to fraction form
   1,150.08/1,732.43 = 1,120.92/x
3. Step 3: Cross multiply
   1,150.08x = 1,732.43 × 1,120.92
4. Step 4: Simplify right side
   1,150.08x = 1,941,909.83
5. Step 5: Solve for x
   x = 1,941,909.83/1,150.08
6. Step 6: Final answer
   x = 1,688.50