Finding the Fourth Proportional to 142,247.91, 213,373.62 and 42,411.36

Step by Step Solution

1. Step 1: Write the proportion equation
   142,247.91 : 213,373.62 = 42,411.36 : x
2. Step 2: Convert to fraction form
   142,247.91/213,373.62 = 42,411.36/x
3. Step 3: Cross multiply
   142,247.91x = 213,373.62 × 42,411.36
4. Step 4: Simplify right side
   142,247.91x = 9,049,465,412.32
5. Step 5: Solve for x
   x = 9,049,465,412.32/142,247.91
6. Step 6: Final answer
   x = 63,617.56