Finding the Fourth Proportional to 1,123.32, 1,684.52 and 662.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.32 : 1,684.52 = 662.02 : x
2. Step 2: Convert to fraction form
   1,123.32/1,684.52 = 662.02/x
3. Step 3: Cross multiply
   1,123.32x = 1,684.52 × 662.02
4. Step 4: Simplify right side
   1,123.32x = 1,115,185.93
5. Step 5: Solve for x
   x = 1,115,185.93/1,123.32
6. Step 6: Final answer
   x = 992.76