Finding the Fourth Proportional to 10,651.50, 15,971.63 and 5,656.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,651.50 : 15,971.63 = 5,656.67 : x
2. Step 2: Convert to fraction form
   10,651.50/15,971.63 = 5,656.67/x
3. Step 3: Cross multiply
   10,651.50x = 15,971.63 × 5,656.67
4. Step 4: Simplify right side
   10,651.50x = 90,346,240.27
5. Step 5: Solve for x
   x = 90,346,240.27/10,651.50
6. Step 6: Final answer
   x = 8,482.02