Finding the Fourth Proportional to 3,846.89, 5,771.10 and 1,381.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.89 : 5,771.10 = 1,381.91 : x
2. Step 2: Convert to fraction form
   3,846.89/5,771.10 = 1,381.91/x
3. Step 3: Cross multiply
   3,846.89x = 5,771.10 × 1,381.91
4. Step 4: Simplify right side
   3,846.89x = 7,975,111.95
5. Step 5: Solve for x
   x = 7,975,111.95/3,846.89
6. Step 6: Final answer
   x = 2,073.14