Finding the Fourth Proportional to 142,615.38, 213,910.23 and 42,797.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,615.38 : 213,910.23 = 42,797.88 : x
2. Step 2: Convert to fraction form
   142,615.38/213,910.23 = 42,797.88/x
3. Step 3: Cross multiply
   142,615.38x = 213,910.23 × 42,797.88
4. Step 4: Simplify right side
   142,615.38x = 9,154,904,354.31
5. Step 5: Solve for x
   x = 9,154,904,354.31/142,615.38
6. Step 6: Final answer
   x = 64,192.97