Finding the Fourth Proportional to 105,820.92, 146,010.06 and 61,083

Step by Step Solution

1. Step 1: Write the proportion equation
   105,820.92 : 146,010.06 = 61,083 : x
2. Step 2: Convert to fraction form
   105,820.92/146,010.06 = 61,083/x
3. Step 3: Cross multiply
   105,820.92x = 146,010.06 × 61,083
4. Step 4: Simplify right side
   105,820.92x = 8,918,732,494.98
5. Step 5: Solve for x
   x = 8,918,732,494.98/105,820.92
6. Step 6: Final answer
   x = 84,281.37