Finding the Fourth Proportional to 109,385.20, 164,057.55 and 30,483.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,385.20 : 164,057.55 = 30,483.10 : x
2. Step 2: Convert to fraction form
   109,385.20/164,057.55 = 30,483.10/x
3. Step 3: Cross multiply
   109,385.20x = 164,057.55 × 30,483.10
4. Step 4: Simplify right side
   109,385.20x = 5,000,982,702.41
5. Step 5: Solve for x
   x = 5,000,982,702.41/109,385.20
6. Step 6: Final answer
   x = 45,719.01