Finding the Fourth Proportional to 109,818.30, 164,618.10 and 50,550.60

Step by Step Solution

1. Step 1: Write the proportion equation
   109,818.30 : 164,618.10 = 50,550.60 : x
2. Step 2: Convert to fraction form
   109,818.30/164,618.10 = 50,550.60/x
3. Step 3: Cross multiply
   109,818.30x = 164,618.10 × 50,550.60
4. Step 4: Simplify right side
   109,818.30x = 8,321,543,725.86
5. Step 5: Solve for x
   x = 8,321,543,725.86/109,818.30
6. Step 6: Final answer
   x = 75,775.56