Finding the Fourth Proportional to 405,789.46, 608,565.27 and 152,887.48

Step by Step Solution

1. Step 1: Write the proportion equation
   405,789.46 : 608,565.27 = 152,887.48 : x
2. Step 2: Convert to fraction form
   405,789.46/608,565.27 = 152,887.48/x
3. Step 3: Cross multiply
   405,789.46x = 608,565.27 × 152,887.48
4. Step 4: Simplify right side
   405,789.46x = 93,042,010,545.82
5. Step 5: Solve for x
   x = 93,042,010,545.82/405,789.46
6. Step 6: Final answer
   x = 229,286.42