Finding the Fourth Proportional to 142,354.02, 213,568.20 and 42,514.23

Step by Step Solution

1. Step 1: Write the proportion equation
   142,354.02 : 213,568.20 = 42,514.23 : x
2. Step 2: Convert to fraction form
   142,354.02/213,568.20 = 42,514.23/x
3. Step 3: Cross multiply
   142,354.02x = 213,568.20 × 42,514.23
4. Step 4: Simplify right side
   142,354.02x = 9,079,687,575.49
5. Step 5: Solve for x
   x = 9,079,687,575.49/142,354.02
6. Step 6: Final answer
   x = 63,782.45