Finding the Fourth Proportional to 109,439.56, 164,144.62 and 30,561.76

Step by Step Solution

1. Step 1: Write the proportion equation
   109,439.56 : 164,144.62 = 30,561.76 : x
2. Step 2: Convert to fraction form
   109,439.56/164,144.62 = 30,561.76/x
3. Step 3: Cross multiply
   109,439.56x = 164,144.62 × 30,561.76
4. Step 4: Simplify right side
   109,439.56x = 5,016,548,481.73
5. Step 5: Solve for x
   x = 5,016,548,481.73/109,439.56
6. Step 6: Final answer
   x = 45,838.53