Finding the Fourth Proportional to 142,584.69, 213,833.84 and 59,459.25

Step by Step Solution

1. Step 1: Write the proportion equation
   142,584.69 : 213,833.84 = 59,459.25 : x
2. Step 2: Convert to fraction form
   142,584.69/213,833.84 = 59,459.25/x
3. Step 3: Cross multiply
   142,584.69x = 213,833.84 × 59,459.25
4. Step 4: Simplify right side
   142,584.69x = 12,714,399,453.72
5. Step 5: Solve for x
   x = 12,714,399,453.72/142,584.69
6. Step 6: Final answer
   x = 89,170.86