Finding the Fourth Proportional to 2,147.62, 2,961.93 and 1,401.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.62 : 2,961.93 = 1,401.22 : x
2. Step 2: Convert to fraction form
   2,147.62/2,961.93 = 1,401.22/x
3. Step 3: Cross multiply
   2,147.62x = 2,961.93 × 1,401.22
4. Step 4: Simplify right side
   2,147.62x = 4,150,315.55
5. Step 5: Solve for x
   x = 4,150,315.55/2,147.62
6. Step 6: Final answer
   x = 1,932.52