Finding the Fourth Proportional to 105,833.68, 146,057.04 and 69,961.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,833.68 : 146,057.04 = 69,961.48 : x
2. Step 2: Convert to fraction form
   105,833.68/146,057.04 = 69,961.48/x
3. Step 3: Cross multiply
   105,833.68x = 146,057.04 × 69,961.48
4. Step 4: Simplify right side
   105,833.68x = 10,218,366,682.82
5. Step 5: Solve for x
   x = 10,218,366,682.82/105,833.68
6. Step 6: Final answer
   x = 96,551.18