Finding the Fourth Proportional to 142,771.33, 214,118.61 and 42,909.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,771.33 : 214,118.61 = 42,909.22 : x
2. Step 2: Convert to fraction form
   142,771.33/214,118.61 = 42,909.22/x
3. Step 3: Cross multiply
   142,771.33x = 214,118.61 × 42,909.22
4. Step 4: Simplify right side
   142,771.33x = 9,187,662,542.58
5. Step 5: Solve for x
   x = 9,187,662,542.58/142,771.33
6. Step 6: Final answer
   x = 64,352.29