Finding the Fourth Proportional to 105,835.68, 146,059.80 and 69,963.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,835.68 : 146,059.80 = 69,963.48 : x
2. Step 2: Convert to fraction form
   105,835.68/146,059.80 = 69,963.48/x
3. Step 3: Cross multiply
   105,835.68x = 146,059.80 × 69,963.48
4. Step 4: Simplify right side
   105,835.68x = 10,218,851,896.10
5. Step 5: Solve for x
   x = 10,218,851,896.10/105,835.68
6. Step 6: Final answer
   x = 96,553.94