Finding the Fourth Proportional to 42,643.83, 63,831.81 and 35,178.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,643.83 : 63,831.81 = 35,178.87 : x
2. Step 2: Convert to fraction form
   42,643.83/63,831.81 = 35,178.87/x
3. Step 3: Cross multiply
   42,643.83x = 63,831.81 × 35,178.87
4. Step 4: Simplify right side
   42,643.83x = 2,245,530,945.85
5. Step 5: Solve for x
   x = 2,245,530,945.85/42,643.83
6. Step 6: Final answer
   x = 52,657.82