Finding the Fourth Proportional to 146,362.10, 219,616.92 and 57,679.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,362.10 : 219,616.92 = 57,679.25 : x
2. Step 2: Convert to fraction form
   146,362.10/219,616.92 = 57,679.25/x
3. Step 3: Cross multiply
   146,362.10x = 219,616.92 × 57,679.25
4. Step 4: Simplify right side
   146,362.10x = 12,667,338,134.83
5. Step 5: Solve for x
   x = 12,667,338,134.83/146,362.10
6. Step 6: Final answer
   x = 86,547.94