Finding the Fourth Proportional to 9,908.84, 13,672.86 and 5,929.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.84 : 13,672.86 = 5,929.04 : x
2. Step 2: Convert to fraction form
   9,908.84/13,672.86 = 5,929.04/x
3. Step 3: Cross multiply
   9,908.84x = 13,672.86 × 5,929.04
4. Step 4: Simplify right side
   9,908.84x = 81,066,933.85
5. Step 5: Solve for x
   x = 81,066,933.85/9,908.84
6. Step 6: Final answer
   x = 8,181.27