Finding the Fourth Proportional to 146,934.78, 220,416.76 and 58,249.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,934.78 : 220,416.76 = 58,249.50 : x
2. Step 2: Convert to fraction form
   146,934.78/220,416.76 = 58,249.50/x
3. Step 3: Cross multiply
   146,934.78x = 220,416.76 × 58,249.50
4. Step 4: Simplify right side
   146,934.78x = 12,839,166,061.62
5. Step 5: Solve for x
   x = 12,839,166,061.62/146,934.78
6. Step 6: Final answer
   x = 87,380.03