Finding the Fourth Proportional to 109,478.10, 164,162.43 and 50,263.23

Step by Step Solution

1. Step 1: Write the proportion equation
   109,478.10 : 164,162.43 = 50,263.23 : x
2. Step 2: Convert to fraction form
   109,478.10/164,162.43 = 50,263.23/x
3. Step 3: Cross multiply
   109,478.10x = 164,162.43 × 50,263.23
4. Step 4: Simplify right side
   109,478.10x = 8,251,333,976.45
5. Step 5: Solve for x
   x = 8,251,333,976.45/109,478.10
6. Step 6: Final answer
   x = 75,369.72