Finding the Fourth Proportional to 109,471.38, 164,141.07 and 42,831.94

Step by Step Solution

1. Step 1: Write the proportion equation
   109,471.38 : 164,141.07 = 42,831.94 : x
2. Step 2: Convert to fraction form
   109,471.38/164,141.07 = 42,831.94/x
3. Step 3: Cross multiply
   109,471.38x = 164,141.07 × 42,831.94
4. Step 4: Simplify right side
   109,471.38x = 7,030,480,461.78
5. Step 5: Solve for x
   x = 7,030,480,461.78/109,471.38
6. Step 6: Final answer
   x = 64,222.09