Finding the Fourth Proportional to 146,705.26, 220,131.69 and 109,340.37

Step by Step Solution

1. Step 1: Write the proportion equation
   146,705.26 : 220,131.69 = 109,340.37 : x
2. Step 2: Convert to fraction form
   146,705.26/220,131.69 = 109,340.37/x
3. Step 3: Cross multiply
   146,705.26x = 220,131.69 × 109,340.37
4. Step 4: Simplify right side
   146,705.26x = 24,069,280,433.33
5. Step 5: Solve for x
   x = 24,069,280,433.33/146,705.26
6. Step 6: Final answer
   x = 164,065.56