Finding the Fourth Proportional to 11,665.16, 16,088.82 and 7,473.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.16 : 16,088.82 = 7,473.80 : x
2. Step 2: Convert to fraction form
   11,665.16/16,088.82 = 7,473.80/x
3. Step 3: Cross multiply
   11,665.16x = 16,088.82 × 7,473.80
4. Step 4: Simplify right side
   11,665.16x = 120,244,622.92
5. Step 5: Solve for x
   x = 120,244,622.92/11,665.16
6. Step 6: Final answer
   x = 10,308.01