Finding the Fourth Proportional to 3,820.23, 5,723.46 and 1,868.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.23 : 5,723.46 = 1,868.13 : x
2. Step 2: Convert to fraction form
   3,820.23/5,723.46 = 1,868.13/x
3. Step 3: Cross multiply
   3,820.23x = 5,723.46 × 1,868.13
4. Step 4: Simplify right side
   3,820.23x = 10,692,167.33
5. Step 5: Solve for x
   x = 10,692,167.33/3,820.23
6. Step 6: Final answer
   x = 2,798.83