Finding the Fourth Proportional to 10,381.11, 14,327.76 and 6,131.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.11 : 14,327.76 = 6,131.89 : x
2. Step 2: Convert to fraction form
   10,381.11/14,327.76 = 6,131.89/x
3. Step 3: Cross multiply
   10,381.11x = 14,327.76 × 6,131.89
4. Step 4: Simplify right side
   10,381.11x = 87,856,248.27
5. Step 5: Solve for x
   x = 87,856,248.27/10,381.11
6. Step 6: Final answer
   x = 8,463.09