Finding the Fourth Proportional to 109,789.30, 164,685.75 and 30,905.41

Step by Step Solution

1. Step 1: Write the proportion equation
   109,789.30 : 164,685.75 = 30,905.41 : x
2. Step 2: Convert to fraction form
   109,789.30/164,685.75 = 30,905.41/x
3. Step 3: Cross multiply
   109,789.30x = 164,685.75 × 30,905.41
4. Step 4: Simplify right side
   109,789.30x = 5,089,680,624.91
5. Step 5: Solve for x
   x = 5,089,680,624.91/109,789.30
6. Step 6: Final answer
   x = 46,358.62