Finding the Fourth Proportional to 3,846.33, 5,770.31 and 1,381.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.33 : 5,770.31 = 1,381.05 : x
2. Step 2: Convert to fraction form
   3,846.33/5,770.31 = 1,381.05/x
3. Step 3: Cross multiply
   3,846.33x = 5,770.31 × 1,381.05
4. Step 4: Simplify right side
   3,846.33x = 7,969,079.72
5. Step 5: Solve for x
   x = 7,969,079.72/3,846.33
6. Step 6: Final answer
   x = 2,071.87