Finding the Fourth Proportional to 400,158.72, 599,571.72 and 281,580.93

Step by Step Solution

1. Step 1: Write the proportion equation
   400,158.72 : 599,571.72 = 281,580.93 : x
2. Step 2: Convert to fraction form
   400,158.72/599,571.72 = 281,580.93/x
3. Step 3: Cross multiply
   400,158.72x = 599,571.72 × 281,580.93
4. Step 4: Simplify right side
   400,158.72x = 168,827,962,519.30
5. Step 5: Solve for x
   x = 168,827,962,519.30/400,158.72
6. Step 6: Final answer
   x = 421,902.50