Finding the Fourth Proportional to 142,181.94, 213,251.04 and 47,413.78

Step by Step Solution

1. Step 1: Write the proportion equation
   142,181.94 : 213,251.04 = 47,413.78 : x
2. Step 2: Convert to fraction form
   142,181.94/213,251.04 = 47,413.78/x
3. Step 3: Cross multiply
   142,181.94x = 213,251.04 × 47,413.78
4. Step 4: Simplify right side
   142,181.94x = 10,111,037,895.33
5. Step 5: Solve for x
   x = 10,111,037,895.33/142,181.94
6. Step 6: Final answer
   x = 71,113.38