Finding the Fourth Proportional to 109,818.15, 164,739.33 and 34,920.78

Step by Step Solution

1. Step 1: Write the proportion equation
   109,818.15 : 164,739.33 = 34,920.78 : x
2. Step 2: Convert to fraction form
   109,818.15/164,739.33 = 34,920.78/x
3. Step 3: Cross multiply
   109,818.15x = 164,739.33 × 34,920.78
4. Step 4: Simplify right side
   109,818.15x = 5,752,825,900.28
5. Step 5: Solve for x
   x = 5,752,825,900.28/109,818.15
6. Step 6: Final answer
   x = 52,385.02