Finding the Fourth Proportional to 109,672.56, 164,484.21 and 50,451.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,672.56 : 164,484.21 = 50,451.30 : x
2. Step 2: Convert to fraction form
   109,672.56/164,484.21 = 50,451.30/x
3. Step 3: Cross multiply
   109,672.56x = 164,484.21 × 50,451.30
4. Step 4: Simplify right side
   109,672.56x = 8,298,442,223.97
5. Step 5: Solve for x
   x = 8,298,442,223.97/109,672.56
6. Step 6: Final answer
   x = 75,665.62