Finding the Fourth Proportional to 142,248.91, 213,375.12 and 42,412.36

Step by Step Solution

1. Step 1: Write the proportion equation
   142,248.91 : 213,375.12 = 42,412.36 : x
2. Step 2: Convert to fraction form
   142,248.91/213,375.12 = 42,412.36/x
3. Step 3: Cross multiply
   142,248.91x = 213,375.12 × 42,412.36
4. Step 4: Simplify right side
   142,248.91x = 9,049,742,404.48
5. Step 5: Solve for x
   x = 9,049,742,404.48/142,248.91
6. Step 6: Final answer
   x = 63,619.06