Finding the Fourth Proportional to 105,056.12, 144,965.22 and 59,739.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,056.12 : 144,965.22 = 59,739.32 : x
2. Step 2: Convert to fraction form
   105,056.12/144,965.22 = 59,739.32/x
3. Step 3: Cross multiply
   105,056.12x = 144,965.22 × 59,739.32
4. Step 4: Simplify right side
   105,056.12x = 8,660,123,666.45
5. Step 5: Solve for x
   x = 8,660,123,666.45/105,056.12
6. Step 6: Final answer
   x = 82,433.31