Finding the Fourth Proportional to 69,132.72, 95,404.97 and 38,919.15

Step by Step Solution

1. Step 1: Write the proportion equation
   69,132.72 : 95,404.97 = 38,919.15 : x
2. Step 2: Convert to fraction form
   69,132.72/95,404.97 = 38,919.15/x
3. Step 3: Cross multiply
   69,132.72x = 95,404.97 × 38,919.15
4. Step 4: Simplify right side
   69,132.72x = 3,713,080,338.18
5. Step 5: Solve for x
   x = 3,713,080,338.18/69,132.72
6. Step 6: Final answer
   x = 53,709.45