Finding the Fourth Proportional to 105,453.06, 158,196.09 and 34,359.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,453.06 : 158,196.09 = 34,359.20 : x
2. Step 2: Convert to fraction form
   105,453.06/158,196.09 = 34,359.20/x
3. Step 3: Cross multiply
   105,453.06x = 158,196.09 × 34,359.20
4. Step 4: Simplify right side
   105,453.06x = 5,435,490,304.55
5. Step 5: Solve for x
   x = 5,435,490,304.55/105,453.06
6. Step 6: Final answer
   x = 51,544.17