Finding the Fourth Proportional to 1,160.02, 1,728.83 and 1,158.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.02 : 1,728.83 = 1,158.22 : x
2. Step 2: Convert to fraction form
   1,160.02/1,728.83 = 1,158.22/x
3. Step 3: Cross multiply
   1,160.02x = 1,728.83 × 1,158.22
4. Step 4: Simplify right side
   1,160.02x = 2,002,365.48
5. Step 5: Solve for x
   x = 2,002,365.48/1,160.02
6. Step 6: Final answer
   x = 1,726.15