Finding the Fourth Proportional to 7,038.72, 10,560.42 and 3,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,038.72 : 10,560.42 = 3,340.50 : x
2. Step 2: Convert to fraction form
   7,038.72/10,560.42 = 3,340.50/x
3. Step 3: Cross multiply
   7,038.72x = 10,560.42 × 3,340.50
4. Step 4: Simplify right side
   7,038.72x = 35,277,083.01
5. Step 5: Solve for x
   x = 35,277,083.01/7,038.72
6. Step 6: Final answer
   x = 5,011.86