Finding the Fourth Proportional to 142,182.94, 213,252.54 and 47,414.78

Step by Step Solution

1. Step 1: Write the proportion equation
   142,182.94 : 213,252.54 = 47,414.78 : x
2. Step 2: Convert to fraction form
   142,182.94/213,252.54 = 47,414.78/x
3. Step 3: Cross multiply
   142,182.94x = 213,252.54 × 47,414.78
4. Step 4: Simplify right side
   142,182.94x = 10,111,322,268.54
5. Step 5: Solve for x
   x = 10,111,322,268.54/142,182.94
6. Step 6: Final answer
   x = 71,114.88