Finding the Fourth Proportional to 405,576.72, 608,450.74 and 152,851.86

Step by Step Solution

1. Step 1: Write the proportion equation
   405,576.72 : 608,450.74 = 152,851.86 : x
2. Step 2: Convert to fraction form
   405,576.72/608,450.74 = 152,851.86/x
3. Step 3: Cross multiply
   405,576.72x = 608,450.74 × 152,851.86
4. Step 4: Simplify right side
   405,576.72x = 93,002,826,945.25
5. Step 5: Solve for x
   x = 93,002,826,945.25/405,576.72
6. Step 6: Final answer
   x = 229,310.07