Finding the Fourth Proportional to 105,856.81, 146,076.93 and 62,838.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,856.81 : 146,076.93 = 62,838.10 : x
2. Step 2: Convert to fraction form
   105,856.81/146,076.93 = 62,838.10/x
3. Step 3: Cross multiply
   105,856.81x = 146,076.93 × 62,838.10
4. Step 4: Simplify right side
   105,856.81x = 9,179,196,735.03
5. Step 5: Solve for x
   x = 9,179,196,735.03/105,856.81
6. Step 6: Final answer
   x = 86,713.33