Finding the Fourth Proportional to 1,151.02, 1,724.73 and 662.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.02 : 1,724.73 = 662.62 : x
2. Step 2: Convert to fraction form
   1,151.02/1,724.73 = 662.62/x
3. Step 3: Cross multiply
   1,151.02x = 1,724.73 × 662.62
4. Step 4: Simplify right side
   1,151.02x = 1,142,840.59
5. Step 5: Solve for x
   x = 1,142,840.59/1,151.02
6. Step 6: Final answer
   x = 992.89