Finding the Fourth Proportional to 14,105.70, 21,151.71 and 4,243.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.70 : 21,151.71 = 4,243.14 : x
2. Step 2: Convert to fraction form
   14,105.70/21,151.71 = 4,243.14/x
3. Step 3: Cross multiply
   14,105.70x = 21,151.71 × 4,243.14
4. Step 4: Simplify right side
   14,105.70x = 89,749,666.77
5. Step 5: Solve for x
   x = 89,749,666.77/14,105.70
6. Step 6: Final answer
   x = 6,362.65