Finding the Fourth Proportional to 105,167.61, 145,144.04 and 59,856.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,167.61 : 145,144.04 = 59,856.62 : x
2. Step 2: Convert to fraction form
   105,167.61/145,144.04 = 59,856.62/x
3. Step 3: Cross multiply
   105,167.61x = 145,144.04 × 59,856.62
4. Step 4: Simplify right side
   105,167.61x = 8,687,830,622.54
5. Step 5: Solve for x
   x = 8,687,830,622.54/105,167.61
6. Step 6: Final answer
   x = 82,609.38