Finding the Fourth Proportional to 3,820.69, 5,730.67 and 1,222.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.69 : 5,730.67 = 1,222.93 : x
2. Step 2: Convert to fraction form
   3,820.69/5,730.67 = 1,222.93/x
3. Step 3: Cross multiply
   3,820.69x = 5,730.67 × 1,222.93
4. Step 4: Simplify right side
   3,820.69x = 7,008,208.26
5. Step 5: Solve for x
   x = 7,008,208.26/3,820.69
6. Step 6: Final answer
   x = 1,834.28