Finding the Fourth Proportional to 69,399.91, 95,933.28 and 61,920.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,399.91 : 95,933.28 = 61,920.37 : x
2. Step 2: Convert to fraction form
   69,399.91/95,933.28 = 61,920.37/x
3. Step 3: Cross multiply
   69,399.91x = 95,933.28 × 61,920.37
4. Step 4: Simplify right side
   69,399.91x = 5,940,224,545.03
5. Step 5: Solve for x
   x = 5,940,224,545.03/69,399.91
6. Step 6: Final answer
   x = 85,594.12