Finding the Fourth Proportional to 3,846.41, 5,307.98 and 2,167.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.41 : 5,307.98 = 2,167.82 : x
2. Step 2: Convert to fraction form
   3,846.41/5,307.98 = 2,167.82/x
3. Step 3: Cross multiply
   3,846.41x = 5,307.98 × 2,167.82
4. Step 4: Simplify right side
   3,846.41x = 11,506,707.82
5. Step 5: Solve for x
   x = 11,506,707.82/3,846.41
6. Step 6: Final answer
   x = 2,991.55