Finding the Fourth Proportional to 109,345.10, 164,090.55 and 50,150.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,345.10 : 164,090.55 = 50,150.30 : x
2. Step 2: Convert to fraction form
   109,345.10/164,090.55 = 50,150.30/x
3. Step 3: Cross multiply
   109,345.10x = 164,090.55 × 50,150.30
4. Step 4: Simplify right side
   109,345.10x = 8,229,190,309.67
5. Step 5: Solve for x
   x = 8,229,190,309.67/109,345.10
6. Step 6: Final answer
   x = 75,258.89