Finding the Fourth Proportional to 1,196.24, 1,650.17 and 900.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.24 : 1,650.17 = 900.99 : x
2. Step 2: Convert to fraction form
   1,196.24/1,650.17 = 900.99/x
3. Step 3: Cross multiply
   1,196.24x = 1,650.17 × 900.99
4. Step 4: Simplify right side
   1,196.24x = 1,486,788.92
5. Step 5: Solve for x
   x = 1,486,788.92/1,196.24
6. Step 6: Final answer
   x = 1,242.89