Finding the Fourth Proportional to 109,215.89, 163,845.70 and 34,354.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,215.89 : 163,845.70 = 34,354.88 : x
2. Step 2: Convert to fraction form
   109,215.89/163,845.70 = 34,354.88/x
3. Step 3: Cross multiply
   109,215.89x = 163,845.70 × 34,354.88
4. Step 4: Simplify right side
   109,215.89x = 5,628,898,456.90
5. Step 5: Solve for x
   x = 5,628,898,456.90/109,215.89
6. Step 6: Final answer
   x = 51,539.19