Finding the Fourth Proportional to 603,844.72, 905,766.48 and 154,564.86

Step by Step Solution

1. Step 1: Write the proportion equation
   603,844.72 : 905,766.48 = 154,564.86 : x
2. Step 2: Convert to fraction form
   603,844.72/905,766.48 = 154,564.86/x
3. Step 3: Cross multiply
   603,844.72x = 905,766.48 × 154,564.86
4. Step 4: Simplify right side
   603,844.72x = 139,999,669,173.89
5. Step 5: Solve for x
   x = 139,999,669,173.89/603,844.72
6. Step 6: Final answer
   x = 231,847.14