Finding the Fourth Proportional to 10,819.50, 14,930.91 and 5,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,819.50 : 14,930.91 = 5,851.50 : x
2. Step 2: Convert to fraction form
   10,819.50/14,930.91 = 5,851.50/x
3. Step 3: Cross multiply
   10,819.50x = 14,930.91 × 5,851.50
4. Step 4: Simplify right side
   10,819.50x = 87,368,219.87
5. Step 5: Solve for x
   x = 87,368,219.87/10,819.50
6. Step 6: Final answer
   x = 8,075.07