Finding the Fourth Proportional to 10,936.62, 16,403.31 and 4,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,936.62 : 16,403.31 = 4,009.50 : x
2. Step 2: Convert to fraction form
   10,936.62/16,403.31 = 4,009.50/x
3. Step 3: Cross multiply
   10,936.62x = 16,403.31 × 4,009.50
4. Step 4: Simplify right side
   10,936.62x = 65,769,071.45
5. Step 5: Solve for x
   x = 65,769,071.45/10,936.62
6. Step 6: Final answer
   x = 6,013.66