Finding the Fourth Proportional to 105,019.33, 144,935.31 and 59,711.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,019.33 : 144,935.31 = 59,711.59 : x
2. Step 2: Convert to fraction form
   105,019.33/144,935.31 = 59,711.59/x
3. Step 3: Cross multiply
   105,019.33x = 144,935.31 × 59,711.59
4. Step 4: Simplify right side
   105,019.33x = 8,654,317,807.24
5. Step 5: Solve for x
   x = 8,654,317,807.24/105,019.33
6. Step 6: Final answer
   x = 82,406.90