Finding the Fourth Proportional to 47,028.39, 70,443.77 and 38,173.47

Step by Step Solution

1. Step 1: Write the proportion equation
   47,028.39 : 70,443.77 = 38,173.47 : x
2. Step 2: Convert to fraction form
   47,028.39/70,443.77 = 38,173.47/x
3. Step 3: Cross multiply
   47,028.39x = 70,443.77 × 38,173.47
4. Step 4: Simplify right side
   47,028.39x = 2,689,082,949.91
5. Step 5: Solve for x
   x = 2,689,082,949.91/47,028.39
6. Step 6: Final answer
   x = 57,179.99