Finding the Fourth Proportional to 3,914.26, 5,401.86 and 2,146

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.26 : 5,401.86 = 2,146 : x
2. Step 2: Convert to fraction form
   3,914.26/5,401.86 = 2,146/x
3. Step 3: Cross multiply
   3,914.26x = 5,401.86 × 2,146
4. Step 4: Simplify right side
   3,914.26x = 11,592,391.56
5. Step 5: Solve for x
   x = 11,592,391.56/3,914.26
6. Step 6: Final answer
   x = 2,961.58