Finding the Fourth Proportional to 10,519.50, 14,516.60 and 5,739.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,519.50 : 14,516.60 = 5,739.54 : x
2. Step 2: Convert to fraction form
   10,519.50/14,516.60 = 5,739.54/x
3. Step 3: Cross multiply
   10,519.50x = 14,516.60 × 5,739.54
4. Step 4: Simplify right side
   10,519.50x = 83,318,577.67
5. Step 5: Solve for x
   x = 83,318,577.67/10,519.50
6. Step 6: Final answer
   x = 7,920.39