Finding the Fourth Proportional to 11,769.57, 16,250.29 and 7,688.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,769.57 : 16,250.29 = 7,688.32 : x
2. Step 2: Convert to fraction form
   11,769.57/16,250.29 = 7,688.32/x
3. Step 3: Cross multiply
   11,769.57x = 16,250.29 × 7,688.32
4. Step 4: Simplify right side
   11,769.57x = 124,937,369.77
5. Step 5: Solve for x
   x = 124,937,369.77/11,769.57
6. Step 6: Final answer
   x = 10,615.29