Finding the Fourth Proportional to 9,269.96, 13,898.72 and 5,111.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,269.96 : 13,898.72 = 5,111.96 : x
2. Step 2: Convert to fraction form
   9,269.96/13,898.72 = 5,111.96/x
3. Step 3: Cross multiply
   9,269.96x = 13,898.72 × 5,111.96
4. Step 4: Simplify right side
   9,269.96x = 71,049,700.69
5. Step 5: Solve for x
   x = 71,049,700.69/9,269.96
6. Step 6: Final answer
   x = 7,664.51