Finding the Fourth Proportional to 14,715.50, 20,311.83 and 10,002.51

Step by Step Solution

1. Step 1: Write the proportion equation
   14,715.50 : 20,311.83 = 10,002.51 : x
2. Step 2: Convert to fraction form
   14,715.50/20,311.83 = 10,002.51/x
3. Step 3: Cross multiply
   14,715.50x = 20,311.83 × 10,002.51
4. Step 4: Simplify right side
   14,715.50x = 203,169,282.69
5. Step 5: Solve for x
   x = 203,169,282.69/14,715.50
6. Step 6: Final answer
   x = 13,806.49