Finding the Fourth Proportional to 2,123.69, 3,184.98 and 662.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.69 : 3,184.98 = 662.09 : x
2. Step 2: Convert to fraction form
   2,123.69/3,184.98 = 662.09/x
3. Step 3: Cross multiply
   2,123.69x = 3,184.98 × 662.09
4. Step 4: Simplify right side
   2,123.69x = 2,108,727.48
5. Step 5: Solve for x
   x = 2,108,727.48/2,123.69
6. Step 6: Final answer
   x = 992.96