Finding the Fourth Proportional to 142,127.93, 213,120.59 and 47,324.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,127.93 : 213,120.59 = 47,324.72 : x
2. Step 2: Convert to fraction form
   142,127.93/213,120.59 = 47,324.72/x
3. Step 3: Cross multiply
   142,127.93x = 213,120.59 × 47,324.72
4. Step 4: Simplify right side
   142,127.93x = 10,085,872,544.16
5. Step 5: Solve for x
   x = 10,085,872,544.16/142,127.93
6. Step 6: Final answer
   x = 70,963.34