Finding the Fourth Proportional to 39,443.10, 54,293.37 and 34,398.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,443.10 : 54,293.37 = 34,398.42 : x
2. Step 2: Convert to fraction form
   39,443.10/54,293.37 = 34,398.42/x
3. Step 3: Cross multiply
   39,443.10x = 54,293.37 × 34,398.42
4. Step 4: Simplify right side
   39,443.10x = 1,867,606,144.48
5. Step 5: Solve for x
   x = 1,867,606,144.48/39,443.10
6. Step 6: Final answer
   x = 47,349.38