Finding the Fourth Proportional to 105,977.41, 146,248.41 and 60,655.21

Step by Step Solution

1. Step 1: Write the proportion equation
   105,977.41 : 146,248.41 = 60,655.21 : x
2. Step 2: Convert to fraction form
   105,977.41/146,248.41 = 60,655.21/x
3. Step 3: Cross multiply
   105,977.41x = 146,248.41 × 60,655.21
4. Step 4: Simplify right side
   105,977.41x = 8,870,728,020.72
5. Step 5: Solve for x
   x = 8,870,728,020.72/105,977.41
6. Step 6: Final answer
   x = 83,703.95