Finding the Fourth Proportional to 1,222.84, 1,835.17 and 492.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.84 : 1,835.17 = 492.42 : x
2. Step 2: Convert to fraction form
   1,222.84/1,835.17 = 492.42/x
3. Step 3: Cross multiply
   1,222.84x = 1,835.17 × 492.42
4. Step 4: Simplify right side
   1,222.84x = 903,673.18
5. Step 5: Solve for x
   x = 903,673.18/1,222.84
6. Step 6: Final answer
   x = 739.00