Finding the Fourth Proportional to 9,373.80, 12,935.45 and 5,395.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,373.80 : 12,935.45 = 5,395.05 : x
2. Step 2: Convert to fraction form
   9,373.80/12,935.45 = 5,395.05/x
3. Step 3: Cross multiply
   9,373.80x = 12,935.45 × 5,395.05
4. Step 4: Simplify right side
   9,373.80x = 69,787,399.52
5. Step 5: Solve for x
   x = 69,787,399.52/9,373.80
6. Step 6: Final answer
   x = 7,444.94