Finding the Fourth Proportional to 10,683.72, 16,028.82 and 7,569.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,683.72 : 16,028.82 = 7,569.74 : x
2. Step 2: Convert to fraction form
   10,683.72/16,028.82 = 7,569.74/x
3. Step 3: Cross multiply
   10,683.72x = 16,028.82 × 7,569.74
4. Step 4: Simplify right side
   10,683.72x = 121,334,039.98
5. Step 5: Solve for x
   x = 121,334,039.98/10,683.72
6. Step 6: Final answer
   x = 11,356.91