Finding the Fourth Proportional to 146,259.57, 219,470.31 and 71,380.34

Step by Step Solution

1. Step 1: Write the proportion equation
   146,259.57 : 219,470.31 = 71,380.34 : x
2. Step 2: Convert to fraction form
   146,259.57/219,470.31 = 71,380.34/x
3. Step 3: Cross multiply
   146,259.57x = 219,470.31 × 71,380.34
4. Step 4: Simplify right side
   146,259.57x = 15,665,865,073.37
5. Step 5: Solve for x
   x = 15,665,865,073.37/146,259.57
6. Step 6: Final answer
   x = 107,110.01