Finding the Fourth Proportional to 109,121.31, 163,688.89 and 34,244.41

Step by Step Solution

1. Step 1: Write the proportion equation
   109,121.31 : 163,688.89 = 34,244.41 : x
2. Step 2: Convert to fraction form
   109,121.31/163,688.89 = 34,244.41/x
3. Step 3: Cross multiply
   109,121.31x = 163,688.89 × 34,244.41
4. Step 4: Simplify right side
   109,121.31x = 5,605,429,375.99
5. Step 5: Solve for x
   x = 5,605,429,375.99/109,121.31
6. Step 6: Final answer
   x = 51,368.79