Finding the Fourth Proportional to 109,298.10, 164,020.05 and 50,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,298.10 : 164,020.05 = 50,103.30 : x
2. Step 2: Convert to fraction form
   109,298.10/164,020.05 = 50,103.30/x
3. Step 3: Cross multiply
   109,298.10x = 164,020.05 × 50,103.30
4. Step 4: Simplify right side
   109,298.10x = 8,217,945,771.17
5. Step 5: Solve for x
   x = 8,217,945,771.17/109,298.10
6. Step 6: Final answer
   x = 75,188.37