Finding the Fourth Proportional to 105,016.59, 144,931.50 and 59,708.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105,016.59 : 144,931.50 = 59,708.79 : x
2. Step 2: Convert to fraction form
   105,016.59/144,931.50 = 59,708.79/x
3. Step 3: Cross multiply
   105,016.59x = 144,931.50 × 59,708.79
4. Step 4: Simplify right side
   105,016.59x = 8,653,684,497.89
5. Step 5: Solve for x
   x = 8,653,684,497.89/105,016.59
6. Step 6: Final answer
   x = 82,403.02