Finding the Fourth Proportional to 105,164.86, 145,140.24 and 59,853.87

Step by Step Solution

1. Step 1: Write the proportion equation
   105,164.86 : 145,140.24 = 59,853.87 : x
2. Step 2: Convert to fraction form
   105,164.86/145,140.24 = 59,853.87/x
3. Step 3: Cross multiply
   105,164.86x = 145,140.24 × 59,853.87
4. Step 4: Simplify right side
   105,164.86x = 8,687,205,056.73
5. Step 5: Solve for x
   x = 8,687,205,056.73/105,164.86
6. Step 6: Final answer
   x = 82,605.59