Finding the Fourth Proportional to 109,020.85, 163,526.61 and 34,139.34

Step by Step Solution

1. Step 1: Write the proportion equation
   109,020.85 : 163,526.61 = 34,139.34 : x
2. Step 2: Convert to fraction form
   109,020.85/163,526.61 = 34,139.34/x
3. Step 3: Cross multiply
   109,020.85x = 163,526.61 × 34,139.34
4. Step 4: Simplify right side
   109,020.85x = 5,582,690,537.84
5. Step 5: Solve for x
   x = 5,582,690,537.84/109,020.85
6. Step 6: Final answer
   x = 51,207.55