Finding the Fourth Proportional to 106,404.78, 146,839.59 and 58,659.84

Step by Step Solution

1. Step 1: Write the proportion equation
   106,404.78 : 146,839.59 = 58,659.84 : x
2. Step 2: Convert to fraction form
   106,404.78/146,839.59 = 58,659.84/x
3. Step 3: Cross multiply
   106,404.78x = 146,839.59 × 58,659.84
4. Step 4: Simplify right side
   106,404.78x = 8,613,586,855.07
5. Step 5: Solve for x
   x = 8,613,586,855.07/106,404.78
6. Step 6: Final answer
   x = 80,951.13