Finding the Fourth Proportional to 109,401.10, 164,087.07 and 30,508.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,401.10 : 164,087.07 = 30,508.72 : x
2. Step 2: Convert to fraction form
   109,401.10/164,087.07 = 30,508.72/x
3. Step 3: Cross multiply
   109,401.10x = 164,087.07 × 30,508.72
4. Step 4: Simplify right side
   109,401.10x = 5,006,086,474.25
5. Step 5: Solve for x
   x = 5,006,086,474.25/109,401.10
6. Step 6: Final answer
   x = 45,759.01