Finding the Fourth Proportional to 1,401.67, 2,101.02 and 670.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.67 : 2,101.02 = 670.24 : x
2. Step 2: Convert to fraction form
   1,401.67/2,101.02 = 670.24/x
3. Step 3: Cross multiply
   1,401.67x = 2,101.02 × 670.24
4. Step 4: Simplify right side
   1,401.67x = 1,408,187.64
5. Step 5: Solve for x
   x = 1,408,187.64/1,401.67
6. Step 6: Final answer
   x = 1,004.65