Finding the Fourth Proportional to 64,976.24, 89,667.94 and 38,119.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,976.24 : 89,667.94 = 38,119.20 : x
2. Step 2: Convert to fraction form
   64,976.24/89,667.94 = 38,119.20/x
3. Step 3: Cross multiply
   64,976.24x = 89,667.94 × 38,119.20
4. Step 4: Simplify right side
   64,976.24x = 3,418,070,138.45
5. Step 5: Solve for x
   x = 3,418,070,138.45/64,976.24
6. Step 6: Final answer
   x = 52,604.92