Finding the Fourth Proportional to 10,141.35, 13,991.33 and 6,364.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,141.35 : 13,991.33 = 6,364.67 : x
2. Step 2: Convert to fraction form
   10,141.35/13,991.33 = 6,364.67/x
3. Step 3: Cross multiply
   10,141.35x = 13,991.33 × 6,364.67
4. Step 4: Simplify right side
   10,141.35x = 89,050,096.53
5. Step 5: Solve for x
   x = 89,050,096.53/10,141.35
6. Step 6: Final answer
   x = 8,780.89