Finding the Fourth Proportional to 10,086.45, 13,919.91 and 6,107.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.45 : 13,919.91 = 6,107.93 : x
2. Step 2: Convert to fraction form
   10,086.45/13,919.91 = 6,107.93/x
3. Step 3: Cross multiply
   10,086.45x = 13,919.91 × 6,107.93
4. Step 4: Simplify right side
   10,086.45x = 85,021,835.89
5. Step 5: Solve for x
   x = 85,021,835.89/10,086.45
6. Step 6: Final answer
   x = 8,429.31