Finding the Fourth Proportional to 10,788.36, 16,172.82 and 3,861.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.36 : 16,172.82 = 3,861.24 : x
2. Step 2: Convert to fraction form
   10,788.36/16,172.82 = 3,861.24/x
3. Step 3: Cross multiply
   10,788.36x = 16,172.82 × 3,861.24
4. Step 4: Simplify right side
   10,788.36x = 62,447,139.50
5. Step 5: Solve for x
   x = 62,447,139.50/10,788.36
6. Step 6: Final answer
   x = 5,788.38