Finding the Fourth Proportional to 105,017.22, 144,932.36 and 59,709.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,017.22 : 144,932.36 = 59,709.42 : x
2. Step 2: Convert to fraction form
   105,017.22/144,932.36 = 59,709.42/x
3. Step 3: Cross multiply
   105,017.22x = 144,932.36 × 59,709.42
4. Step 4: Simplify right side
   105,017.22x = 8,653,827,154.83
5. Step 5: Solve for x
   x = 8,653,827,154.83/105,017.22
6. Step 6: Final answer
   x = 82,403.89