Finding the Fourth Proportional to 10,861.56, 16,288.56 and 3,068.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.56 : 16,288.56 = 3,068.28 : x
2. Step 2: Convert to fraction form
   10,861.56/16,288.56 = 3,068.28/x
3. Step 3: Cross multiply
   10,861.56x = 16,288.56 × 3,068.28
4. Step 4: Simplify right side
   10,861.56x = 49,977,862.88
5. Step 5: Solve for x
   x = 49,977,862.88/10,861.56
6. Step 6: Final answer
   x = 4,601.35