Finding the Fourth Proportional to 105,955.78, 146,227.17 and 60,647.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,955.78 : 146,227.17 = 60,647.98 : x
2. Step 2: Convert to fraction form
   105,955.78/146,227.17 = 60,647.98/x
3. Step 3: Cross multiply
   105,955.78x = 146,227.17 × 60,647.98
4. Step 4: Simplify right side
   105,955.78x = 8,868,382,343.48
5. Step 5: Solve for x
   x = 8,868,382,343.48/105,955.78
6. Step 6: Final answer
   x = 83,698.90