Finding the Fourth Proportional to 14,022.62, 21,037.71 and 4,664.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,022.62 : 21,037.71 = 4,664.15 : x
2. Step 2: Convert to fraction form
   14,022.62/21,037.71 = 4,664.15/x
3. Step 3: Cross multiply
   14,022.62x = 21,037.71 × 4,664.15
4. Step 4: Simplify right side
   14,022.62x = 98,123,035.10
5. Step 5: Solve for x
   x = 98,123,035.10/14,022.62
6. Step 6: Final answer
   x = 6,997.48