Finding the Fourth Proportional to 9,914.43, 13,676.73 and 5,878.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,914.43 : 13,676.73 = 5,878.91 : x
2. Step 2: Convert to fraction form
   9,914.43/13,676.73 = 5,878.91/x
3. Step 3: Cross multiply
   9,914.43x = 13,676.73 × 5,878.91
4. Step 4: Simplify right side
   9,914.43x = 80,404,166.99
5. Step 5: Solve for x
   x = 80,404,166.99/9,914.43
6. Step 6: Final answer
   x = 8,109.81