Finding the Fourth Proportional to 142,353.99, 213,568.17 and 42,514.20

Step by Step Solution

1. Step 1: Write the proportion equation
   142,353.99 : 213,568.17 = 42,514.20 : x
2. Step 2: Convert to fraction form
   142,353.99/213,568.17 = 42,514.20/x
3. Step 3: Cross multiply
   142,353.99x = 213,568.17 × 42,514.20
4. Step 4: Simplify right side
   142,353.99x = 9,079,679,893.01
5. Step 5: Solve for x
   x = 9,079,679,893.01/142,353.99
6. Step 6: Final answer
   x = 63,782.41