Finding the Fourth Proportional to 3,821.69, 5,732.17 and 1,223.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,821.69 : 5,732.17 = 1,223.93 : x
2. Step 2: Convert to fraction form
   3,821.69/5,732.17 = 1,223.93/x
3. Step 3: Cross multiply
   3,821.69x = 5,732.17 × 1,223.93
4. Step 4: Simplify right side
   3,821.69x = 7,015,774.83
5. Step 5: Solve for x
   x = 7,015,774.83/3,821.69
6. Step 6: Final answer
   x = 1,835.78