Finding the Fourth Proportional to 7,013.05, 10,513.69 and 3,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013.05 : 10,513.69 = 3,061.30 : x
2. Step 2: Convert to fraction form
   7,013.05/10,513.69 = 3,061.30/x
3. Step 3: Cross multiply
   7,013.05x = 10,513.69 × 3,061.30
4. Step 4: Simplify right side
   7,013.05x = 32,185,557.03
5. Step 5: Solve for x
   x = 32,185,557.03/7,013.05
6. Step 6: Final answer
   x = 4,589.38