Finding the Fourth Proportional to 1,401.10, 2,101.41 and 400.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.10 : 2,101.41 = 400.37 : x
2. Step 2: Convert to fraction form
   1,401.10/2,101.41 = 400.37/x
3. Step 3: Cross multiply
   1,401.10x = 2,101.41 × 400.37
4. Step 4: Simplify right side
   1,401.10x = 841,339.52
5. Step 5: Solve for x
   x = 841,339.52/1,401.10
6. Step 6: Final answer
   x = 600.49