Finding the Fourth Proportional to 109,405.10, 164,093.06 and 30,512.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,405.10 : 164,093.06 = 30,512.72 : x
2. Step 2: Convert to fraction form
   109,405.10/164,093.06 = 30,512.72/x
3. Step 3: Cross multiply
   109,405.10x = 164,093.06 × 30,512.72
4. Step 4: Simplify right side
   109,405.10x = 5,006,925,593.72
5. Step 5: Solve for x
   x = 5,006,925,593.72/109,405.10
6. Step 6: Final answer
   x = 45,765.01