Finding the Fourth Proportional to 11,061.36, 16,582.32 and 4,140.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.36 : 16,582.32 = 4,140.72 : x
2. Step 2: Convert to fraction form
   11,061.36/16,582.32 = 4,140.72/x
3. Step 3: Cross multiply
   11,061.36x = 16,582.32 × 4,140.72
4. Step 4: Simplify right side
   11,061.36x = 68,662,744.07
5. Step 5: Solve for x
   x = 68,662,744.07/11,061.36
6. Step 6: Final answer
   x = 6,207.44