Finding the Fourth Proportional to 7,300.69, 10,074.94 and 3,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.69 : 10,074.94 = 3,943.50 : x
2. Step 2: Convert to fraction form
   7,300.69/10,074.94 = 3,943.50/x
3. Step 3: Cross multiply
   7,300.69x = 10,074.94 × 3,943.50
4. Step 4: Simplify right side
   7,300.69x = 39,730,525.89
5. Step 5: Solve for x
   x = 39,730,525.89/7,300.69
6. Step 6: Final answer
   x = 5,442.02