Finding the Fourth Proportional to 105,943.94, 146,215.59 and 61,231.94

Step by Step Solution

1. Step 1: Write the proportion equation
   105,943.94 : 146,215.59 = 61,231.94 : x
2. Step 2: Convert to fraction form
   105,943.94/146,215.59 = 61,231.94/x
3. Step 3: Cross multiply
   105,943.94x = 146,215.59 × 61,231.94
4. Step 4: Simplify right side
   105,943.94x = 8,953,064,233.94
5. Step 5: Solve for x
   x = 8,953,064,233.94/105,943.94
6. Step 6: Final answer
   x = 84,507.56