Finding the Fourth Proportional to 14,062.06, 21,093.96 and 5,179.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,062.06 : 21,093.96 = 5,179.78 : x
2. Step 2: Convert to fraction form
   14,062.06/21,093.96 = 5,179.78/x
3. Step 3: Cross multiply
   14,062.06x = 21,093.96 × 5,179.78
4. Step 4: Simplify right side
   14,062.06x = 109,262,072.13
5. Step 5: Solve for x
   x = 109,262,072.13/14,062.06
6. Step 6: Final answer
   x = 7,769.99