Finding the Fourth Proportional to 112,144.14, 168,216.21 and 42,014.34

Step by Step Solution

1. Step 1: Write the proportion equation
   112,144.14 : 168,216.21 = 42,014.34 : x
2. Step 2: Convert to fraction form
   112,144.14/168,216.21 = 42,014.34/x
3. Step 3: Cross multiply
   112,144.14x = 168,216.21 × 42,014.34
4. Step 4: Simplify right side
   112,144.14x = 7,067,493,040.45
5. Step 5: Solve for x
   x = 7,067,493,040.45/112,144.14
6. Step 6: Final answer
   x = 63,021.51