Finding the Fourth Proportional to 743,766.56, 1,026,397.98 and 404,234.84

Step by Step Solution

1. Step 1: Write the proportion equation
   743,766.56 : 1,026,397.98 = 404,234.84 : x
2. Step 2: Convert to fraction form
   743,766.56/1,026,397.98 = 404,234.84/x
3. Step 3: Cross multiply
   743,766.56x = 1,026,397.98 × 404,234.84
4. Step 4: Simplify right side
   743,766.56x = 414,905,823,221.62
5. Step 5: Solve for x
   x = 414,905,823,221.62/743,766.56
6. Step 6: Final answer
   x = 557,844.15