Finding the Fourth Proportional to 399,805.96, 599,874.72 and 175,050.40

Step by Step Solution

1. Step 1: Write the proportion equation
   399,805.96 : 599,874.72 = 175,050.40 : x
2. Step 2: Convert to fraction form
   399,805.96/599,874.72 = 175,050.40/x
3. Step 3: Cross multiply
   399,805.96x = 599,874.72 × 175,050.40
4. Step 4: Simplify right side
   399,805.96x = 105,008,309,685.89
5. Step 5: Solve for x
   x = 105,008,309,685.89/399,805.96
6. Step 6: Final answer
   x = 262,648.18