Finding the Fourth Proportional to 7,139.33, 10,713.43 and 3,441.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139.33 : 10,713.43 = 3,441.94 : x
2. Step 2: Convert to fraction form
   7,139.33/10,713.43 = 3,441.94/x
3. Step 3: Cross multiply
   7,139.33x = 10,713.43 × 3,441.94
4. Step 4: Simplify right side
   7,139.33x = 36,874,947.87
5. Step 5: Solve for x
   x = 36,874,947.87/7,139.33
6. Step 6: Final answer
   x = 5,165.04