Finding the Fourth Proportional to 142,126.11, 213,169.72 and 42,301.71

Step by Step Solution

1. Step 1: Write the proportion equation
   142,126.11 : 213,169.72 = 42,301.71 : x
2. Step 2: Convert to fraction form
   142,126.11/213,169.72 = 42,301.71/x
3. Step 3: Cross multiply
   142,126.11x = 213,169.72 × 42,301.71
4. Step 4: Simplify right side
   142,126.11x = 9,017,443,676.22
5. Step 5: Solve for x
   x = 9,017,443,676.22/142,126.11
6. Step 6: Final answer
   x = 63,446.78