Finding the Fourth Proportional to 14,471.50, 21,709.83 and 5,116.95

Step by Step Solution

1. Step 1: Write the proportion equation
   14,471.50 : 21,709.83 = 5,116.95 : x
2. Step 2: Convert to fraction form
   14,471.50/21,709.83 = 5,116.95/x
3. Step 3: Cross multiply
   14,471.50x = 21,709.83 × 5,116.95
4. Step 4: Simplify right side
   14,471.50x = 111,088,000.45
5. Step 5: Solve for x
   x = 111,088,000.45/14,471.50
6. Step 6: Final answer
   x = 7,676.33