Finding the Fourth Proportional to 109,815.10, 164,674.05 and 50,620.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,815.10 : 164,674.05 = 50,620.30 : x
2. Step 2: Convert to fraction form
   109,815.10/164,674.05 = 50,620.30/x
3. Step 3: Cross multiply
   109,815.10x = 164,674.05 × 50,620.30
4. Step 4: Simplify right side
   109,815.10x = 8,335,849,813.22
5. Step 5: Solve for x
   x = 8,335,849,813.22/109,815.10
6. Step 6: Final answer
   x = 75,908.05