Finding the Fourth Proportional to 142,553.52, 213,877.78 and 47,793.06

Step by Step Solution

1. Step 1: Write the proportion equation
   142,553.52 : 213,877.78 = 47,793.06 : x
2. Step 2: Convert to fraction form
   142,553.52/213,877.78 = 47,793.06/x
3. Step 3: Cross multiply
   142,553.52x = 213,877.78 × 47,793.06
4. Step 4: Simplify right side
   142,553.52x = 10,221,873,452.72
5. Step 5: Solve for x
   x = 10,221,873,452.72/142,553.52
6. Step 6: Final answer
   x = 71,705.51