Finding the Fourth Proportional to 11,645.25, 16,074.50 and 6,929.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,645.25 : 16,074.50 = 6,929.43 : x
2. Step 2: Convert to fraction form
   11,645.25/16,074.50 = 6,929.43/x
3. Step 3: Cross multiply
   11,645.25x = 16,074.50 × 6,929.43
4. Step 4: Simplify right side
   11,645.25x = 111,387,087.89
5. Step 5: Solve for x
   x = 111,387,087.89/11,645.25
6. Step 6: Final answer
   x = 9,565.02