Finding the Fourth Proportional to 10,819.89, 14,931.45 and 6,104.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.89 : 14,931.45 = 6,104.18 : x
2. Step 2: Convert to fraction form
   10,819.89/14,931.45 = 6,104.18/x
3. Step 3: Cross multiply
   10,819.89x = 14,931.45 × 6,104.18
4. Step 4: Simplify right side
   10,819.89x = 91,144,295.79
5. Step 5: Solve for x
   x = 91,144,295.79/10,819.89
6. Step 6: Final answer
   x = 8,423.77