Finding the Fourth Proportional to 2,427.72, 3,642.30 and 1,401

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.72 : 3,642.30 = 1,401 : x
2. Step 2: Convert to fraction form
   2,427.72/3,642.30 = 1,401/x
3. Step 3: Cross multiply
   2,427.72x = 3,642.30 × 1,401
4. Step 4: Simplify right side
   2,427.72x = 5,102,862.30
5. Step 5: Solve for x
   x = 5,102,862.30/2,427.72
6. Step 6: Final answer
   x = 2,101.92