Finding the Fourth Proportional to 126,498.96, 189,726.84 and 42,249.54

Step by Step Solution

1. Step 1: Write the proportion equation
   126,498.96 : 189,726.84 = 42,249.54 : x
2. Step 2: Convert to fraction form
   126,498.96/189,726.84 = 42,249.54/x
3. Step 3: Cross multiply
   126,498.96x = 189,726.84 × 42,249.54
4. Step 4: Simplify right side
   126,498.96x = 8,015,871,715.65
5. Step 5: Solve for x
   x = 8,015,871,715.65/126,498.96
6. Step 6: Final answer
   x = 63,367.10