Finding the Fourth Proportional to 5,099.70, 7,648.67 and 1,401.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.70 : 7,648.67 = 1,401.05 : x
2. Step 2: Convert to fraction form
   5,099.70/7,648.67 = 1,401.05/x
3. Step 3: Cross multiply
   5,099.70x = 7,648.67 × 1,401.05
4. Step 4: Simplify right side
   5,099.70x = 10,716,162.10
5. Step 5: Solve for x
   x = 10,716,162.10/5,099.70
6. Step 6: Final answer
   x = 2,101.33