Finding the Fourth Proportional to 142,251.66, 213,388.50 and 42,404.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,251.66 : 213,388.50 = 42,404.22 : x
2. Step 2: Convert to fraction form
   142,251.66/213,388.50 = 42,404.22/x
3. Step 3: Cross multiply
   142,251.66x = 213,388.50 × 42,404.22
4. Step 4: Simplify right side
   142,251.66x = 9,048,572,899.47
5. Step 5: Solve for x
   x = 9,048,572,899.47/142,251.66
6. Step 6: Final answer
   x = 63,609.61