Finding the Fourth Proportional to 142,380.86, 213,571.39 and 42,541.07

Step by Step Solution

1. Step 1: Write the proportion equation
   142,380.86 : 213,571.39 = 42,541.07 : x
2. Step 2: Convert to fraction form
   142,380.86/213,571.39 = 42,541.07/x
3. Step 3: Cross multiply
   142,380.86x = 213,571.39 × 42,541.07
4. Step 4: Simplify right side
   142,380.86x = 9,085,555,238.20
5. Step 5: Solve for x
   x = 9,085,555,238.20/142,380.86
6. Step 6: Final answer
   x = 63,811.63