Finding the Fourth Proportional to 1,200.41, 1,656.53 and 669.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.41 : 1,656.53 = 669.27 : x
2. Step 2: Convert to fraction form
   1,200.41/1,656.53 = 669.27/x
3. Step 3: Cross multiply
   1,200.41x = 1,656.53 × 669.27
4. Step 4: Simplify right side
   1,200.41x = 1,108,664.67
5. Step 5: Solve for x
   x = 1,108,664.67/1,200.41
6. Step 6: Final answer
   x = 923.57