Finding the Fourth Proportional to 9,320.05, 12,861.57 and 5,071.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.05 : 12,861.57 = 5,071.24 : x
2. Step 2: Convert to fraction form
   9,320.05/12,861.57 = 5,071.24/x
3. Step 3: Cross multiply
   9,320.05x = 12,861.57 × 5,071.24
4. Step 4: Simplify right side
   9,320.05x = 65,224,108.25
5. Step 5: Solve for x
   x = 65,224,108.25/9,320.05
6. Step 6: Final answer
   x = 6,998.26