Finding the Fourth Proportional to 142,615.71, 196,830.27 and 82,174.77

Step by Step Solution

1. Step 1: Write the proportion equation
   142,615.71 : 196,830.27 = 82,174.77 : x
2. Step 2: Convert to fraction form
   142,615.71/196,830.27 = 82,174.77/x
3. Step 3: Cross multiply
   142,615.71x = 196,830.27 × 82,174.77
4. Step 4: Simplify right side
   142,615.71x = 16,174,482,166.29
5. Step 5: Solve for x
   x = 16,174,482,166.29/142,615.71
6. Step 6: Final answer
   x = 113,413.05