Finding the Fourth Proportional to 105,868.49, 158,769.27 and 34,779.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,868.49 : 158,769.27 = 34,779.45 : x
2. Step 2: Convert to fraction form
   105,868.49/158,769.27 = 34,779.45/x
3. Step 3: Cross multiply
   105,868.49x = 158,769.27 × 34,779.45
4. Step 4: Simplify right side
   105,868.49x = 5,521,907,887.50
5. Step 5: Solve for x
   x = 5,521,907,887.50/105,868.49
6. Step 6: Final answer
   x = 52,158.18