Finding the Fourth Proportional to 142,332.86, 213,536.34 and 42,493.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,332.86 : 213,536.34 = 42,493.10 : x
2. Step 2: Convert to fraction form
   142,332.86/213,536.34 = 42,493.10/x
3. Step 3: Cross multiply
   142,332.86x = 213,536.34 × 42,493.10
4. Step 4: Simplify right side
   142,332.86x = 9,073,821,049.25
5. Step 5: Solve for x
   x = 9,073,821,049.25/142,332.86
6. Step 6: Final answer
   x = 63,750.71