Finding the Fourth Proportional to 109,171.72, 163,786.20 and 34,288.84

Step by Step Solution

1. Step 1: Write the proportion equation
   109,171.72 : 163,786.20 = 34,288.84 : x
2. Step 2: Convert to fraction form
   109,171.72/163,786.20 = 34,288.84/x
3. Step 3: Cross multiply
   109,171.72x = 163,786.20 × 34,288.84
4. Step 4: Simplify right side
   109,171.72x = 5,616,038,806.01
5. Step 5: Solve for x
   x = 5,616,038,806.01/109,171.72
6. Step 6: Final answer
   x = 51,442.25