Finding the Fourth Proportional to 1,101.55, 1,651.32 and 662.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.55 : 1,651.32 = 662.93 : x
2. Step 2: Convert to fraction form
   1,101.55/1,651.32 = 662.93/x
3. Step 3: Cross multiply
   1,101.55x = 1,651.32 × 662.93
4. Step 4: Simplify right side
   1,101.55x = 1,094,709.57
5. Step 5: Solve for x
   x = 1,094,709.57/1,101.55
6. Step 6: Final answer
   x = 993.79