Finding the Fourth Proportional to 3,855.02, 5,782.47 and 1,222.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855.02 : 5,782.47 = 1,222.52 : x
2. Step 2: Convert to fraction form
   3,855.02/5,782.47 = 1,222.52/x
3. Step 3: Cross multiply
   3,855.02x = 5,782.47 × 1,222.52
4. Step 4: Simplify right side
   3,855.02x = 7,069,151.73
5. Step 5: Solve for x
   x = 7,069,151.73/3,855.02
6. Step 6: Final answer
   x = 1,833.75