Finding the Fourth Proportional to 405,761.98, 608,524 and 152,860

Step by Step Solution

1. Step 1: Write the proportion equation
   405,761.98 : 608,524 = 152,860 : x
2. Step 2: Convert to fraction form
   405,761.98/608,524 = 152,860/x
3. Step 3: Cross multiply
   405,761.98x = 608,524 × 152,860
4. Step 4: Simplify right side
   405,761.98x = 93,018,978,640
5. Step 5: Solve for x
   x = 93,018,978,640/405,761.98
6. Step 6: Final answer
   x = 229,245.18