Finding the Fourth Proportional to 105,841.48, 146,061.17 and 59,900.28

Step by Step Solution

1. Step 1: Write the proportion equation
   105,841.48 : 146,061.17 = 59,900.28 : x
2. Step 2: Convert to fraction form
   105,841.48/146,061.17 = 59,900.28/x
3. Step 3: Cross multiply
   105,841.48x = 146,061.17 × 59,900.28
4. Step 4: Simplify right side
   105,841.48x = 8,749,105,926.85
5. Step 5: Solve for x
   x = 8,749,105,926.85/105,841.48
6. Step 6: Final answer
   x = 82,662.36