Finding the Fourth Proportional to 114,399.18, 171,477.78 and 42,305.76

Step by Step Solution

1. Step 1: Write the proportion equation
   114,399.18 : 171,477.78 = 42,305.76 : x
2. Step 2: Convert to fraction form
   114,399.18/171,477.78 = 42,305.76/x
3. Step 3: Cross multiply
   114,399.18x = 171,477.78 × 42,305.76
4. Step 4: Simplify right side
   114,399.18x = 7,254,498,234.71
5. Step 5: Solve for x
   x = 7,254,498,234.71/114,399.18
6. Step 6: Final answer
   x = 63,413.90