Finding the Fourth Proportional to 1,167.24, 1,610.83 and 669.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.24 : 1,610.83 = 669.98 : x
2. Step 2: Convert to fraction form
   1,167.24/1,610.83 = 669.98/x
3. Step 3: Cross multiply
   1,167.24x = 1,610.83 × 669.98
4. Step 4: Simplify right side
   1,167.24x = 1,079,212.48
5. Step 5: Solve for x
   x = 1,079,212.48/1,167.24
6. Step 6: Final answer
   x = 924.58