Finding the Fourth Proportional to 10,787.69, 16,196.52 and 7,113.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,787.69 : 16,196.52 = 7,113.53 : x
2. Step 2: Convert to fraction form
   10,787.69/16,196.52 = 7,113.53/x
3. Step 3: Cross multiply
   10,787.69x = 16,196.52 × 7,113.53
4. Step 4: Simplify right side
   10,787.69x = 115,214,430.92
5. Step 5: Solve for x
   x = 115,214,430.92/10,787.69
6. Step 6: Final answer
   x = 10,680.18