Finding the Fourth Proportional to 142,003.97, 213,050.15 and 42,164.68

Step by Step Solution

1. Step 1: Write the proportion equation
   142,003.97 : 213,050.15 = 42,164.68 : x
2. Step 2: Convert to fraction form
   142,003.97/213,050.15 = 42,164.68/x
3. Step 3: Cross multiply
   142,003.97x = 213,050.15 × 42,164.68
4. Step 4: Simplify right side
   142,003.97x = 8,983,191,187.88
5. Step 5: Solve for x
   x = 8,983,191,187.88/142,003.97
6. Step 6: Final answer
   x = 63,260.14