Finding the Fourth Proportional to 105,995.10, 146,127.06 and 84,557.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,995.10 : 146,127.06 = 84,557.55 : x
2. Step 2: Convert to fraction form
   105,995.10/146,127.06 = 84,557.55/x
3. Step 3: Cross multiply
   105,995.10x = 146,127.06 × 84,557.55
4. Step 4: Simplify right side
   105,995.10x = 12,356,146,182.30
5. Step 5: Solve for x
   x = 12,356,146,182.30/105,995.10
6. Step 6: Final answer
   x = 116,572.81