Finding the Fourth Proportional to 405,760.98, 608,522.50 and 152,859

Step by Step Solution

1. Step 1: Write the proportion equation
   405,760.98 : 608,522.50 = 152,859 : x
2. Step 2: Convert to fraction form
   405,760.98/608,522.50 = 152,859/x
3. Step 3: Cross multiply
   405,760.98x = 608,522.50 × 152,859
4. Step 4: Simplify right side
   405,760.98x = 93,018,140,827.50
5. Step 5: Solve for x
   x = 93,018,140,827.50/405,760.98
6. Step 6: Final answer
   x = 229,243.68