Finding the Fourth Proportional to 14,627.89, 21,939.56 and 4,767.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,627.89 : 21,939.56 = 4,767.10 : x
2. Step 2: Convert to fraction form
   14,627.89/21,939.56 = 4,767.10/x
3. Step 3: Cross multiply
   14,627.89x = 21,939.56 × 4,767.10
4. Step 4: Simplify right side
   14,627.89x = 104,588,139.08
5. Step 5: Solve for x
   x = 104,588,139.08/14,627.89
6. Step 6: Final answer
   x = 7,149.91