Finding the Fourth Proportional to 11,645.82, 16,068.74 and 6,929.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,645.82 : 16,068.74 = 6,929.18 : x
2. Step 2: Convert to fraction form
   11,645.82/16,068.74 = 6,929.18/x
3. Step 3: Cross multiply
   11,645.82x = 16,068.74 × 6,929.18
4. Step 4: Simplify right side
   11,645.82x = 111,343,191.83
5. Step 5: Solve for x
   x = 111,343,191.83/11,645.82
6. Step 6: Final answer
   x = 9,560.79