Finding the Fourth Proportional to 3,914.43, 5,401.89 and 2,146.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.43 : 5,401.89 = 2,146.01 : x
2. Step 2: Convert to fraction form
   3,914.43/5,401.89 = 2,146.01/x
3. Step 3: Cross multiply
   3,914.43x = 5,401.89 × 2,146.01
4. Step 4: Simplify right side
   3,914.43x = 11,592,482.95
5. Step 5: Solve for x
   x = 11,592,482.95/3,914.43
6. Step 6: Final answer
   x = 2,961.47