Finding the Fourth Proportional to 142,073.40, 213,145.33 and 42,233.41

Step by Step Solution

1. Step 1: Write the proportion equation
   142,073.40 : 213,145.33 = 42,233.41 : x
2. Step 2: Convert to fraction form
   142,073.40/213,145.33 = 42,233.41/x
3. Step 3: Cross multiply
   142,073.40x = 213,145.33 × 42,233.41
4. Step 4: Simplify right side
   142,073.40x = 9,001,853,045.75
5. Step 5: Solve for x
   x = 9,001,853,045.75/142,073.40
6. Step 6: Final answer
   x = 63,360.58