Finding the Fourth Proportional to 10,861.03, 16,290.69 and 5,017.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.03 : 16,290.69 = 5,017.69 : x
2. Step 2: Convert to fraction form
   10,861.03/16,290.69 = 5,017.69/x
3. Step 3: Cross multiply
   10,861.03x = 16,290.69 × 5,017.69
4. Step 4: Simplify right side
   10,861.03x = 81,741,632.31
5. Step 5: Solve for x
   x = 81,741,632.31/10,861.03
6. Step 6: Final answer
   x = 7,526.14