Finding the Fourth Proportional to 11,662.16, 16,084.68 and 7,470.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.16 : 16,084.68 = 7,470.80 : x
2. Step 2: Convert to fraction form
   11,662.16/16,084.68 = 7,470.80/x
3. Step 3: Cross multiply
   11,662.16x = 16,084.68 × 7,470.80
4. Step 4: Simplify right side
   11,662.16x = 120,165,427.34
5. Step 5: Solve for x
   x = 120,165,427.34/11,662.16
6. Step 6: Final answer
   x = 10,303.87