Finding the Fourth Proportional to 142,031.00, 213,010.05 and 42,168.03

Step by Step Solution

1. Step 1: Write the proportion equation
   142,031.00 : 213,010.05 = 42,168.03 : x
2. Step 2: Convert to fraction form
   142,031.00/213,010.05 = 42,168.03/x
3. Step 3: Cross multiply
   142,031.00x = 213,010.05 × 42,168.03
4. Step 4: Simplify right side
   142,031.00x = 8,982,213,538.04
5. Step 5: Solve for x
   x = 8,982,213,538.04/142,031.00
6. Step 6: Final answer
   x = 63,241.22