Finding the Fourth Proportional to 142,355.76, 213,461.55 and 47,552.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,355.76 : 213,461.55 = 47,552.15 : x
2. Step 2: Convert to fraction form
   142,355.76/213,461.55 = 47,552.15/x
3. Step 3: Cross multiply
   142,355.76x = 213,461.55 × 47,552.15
4. Step 4: Simplify right side
   142,355.76x = 10,150,554,577.52
5. Step 5: Solve for x
   x = 10,150,554,577.52/142,355.76
6. Step 6: Final answer
   x = 71,304.14