Finding the Fourth Proportional to 142,038.42, 213,020.76 and 42,175.14

Step by Step Solution

1. Step 1: Write the proportion equation
   142,038.42 : 213,020.76 = 42,175.14 : x
2. Step 2: Convert to fraction form
   142,038.42/213,020.76 = 42,175.14/x
3. Step 3: Cross multiply
   142,038.42x = 213,020.76 × 42,175.14
4. Step 4: Simplify right side
   142,038.42x = 8,984,180,375.91
5. Step 5: Solve for x
   x = 8,984,180,375.91/142,038.42
6. Step 6: Final answer
   x = 63,251.76