Finding the Fourth Proportional to 11,231.46, 15,501.78 and 7,699.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231.46 : 15,501.78 = 7,699.32 : x
2. Step 2: Convert to fraction form
   11,231.46/15,501.78 = 7,699.32/x
3. Step 3: Cross multiply
   11,231.46x = 15,501.78 × 7,699.32
4. Step 4: Simplify right side
   11,231.46x = 119,353,164.79
5. Step 5: Solve for x
   x = 119,353,164.79/11,231.46
6. Step 6: Final answer
   x = 10,626.68