Finding the Fourth Proportional to 14,671.83, 21,994.59 and 5,309.65

Step by Step Solution

1. Step 1: Write the proportion equation
   14,671.83 : 21,994.59 = 5,309.65 : x
2. Step 2: Convert to fraction form
   14,671.83/21,994.59 = 5,309.65/x
3. Step 3: Cross multiply
   14,671.83x = 21,994.59 × 5,309.65
4. Step 4: Simplify right side
   14,671.83x = 116,783,592.33
5. Step 5: Solve for x
   x = 116,783,592.33/14,671.83
6. Step 6: Final answer
   x = 7,959.71