Finding the Fourth Proportional to 14,443.24, 21,670.62 and 5,209.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.24 : 21,670.62 = 5,209.96 : x
2. Step 2: Convert to fraction form
   14,443.24/21,670.62 = 5,209.96/x
3. Step 3: Cross multiply
   14,443.24x = 21,670.62 × 5,209.96
4. Step 4: Simplify right side
   14,443.24x = 112,903,063.38
5. Step 5: Solve for x
   x = 112,903,063.38/14,443.24
6. Step 6: Final answer
   x = 7,817.02