Finding the Fourth Proportional to 142,003.46, 213,049.40 and 42,164.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,003.46 : 213,049.40 = 42,164.18 : x
2. Step 2: Convert to fraction form
   142,003.46/213,049.40 = 42,164.18/x
3. Step 3: Cross multiply
   142,003.46x = 213,049.40 × 42,164.18
4. Step 4: Simplify right side
   142,003.46x = 8,983,052,773.36
5. Step 5: Solve for x
   x = 8,983,052,773.36/142,003.46
6. Step 6: Final answer
   x = 63,259.39