Finding the Fourth Proportional to 743,684.10, 1,026,261.81 and 404,152.98

Step by Step Solution

1. Step 1: Write the proportion equation
   743,684.10 : 1,026,261.81 = 404,152.98 : x
2. Step 2: Convert to fraction form
   743,684.10/1,026,261.81 = 404,152.98/x
3. Step 3: Cross multiply
   743,684.10x = 1,026,261.81 × 404,152.98
4. Step 4: Simplify right side
   743,684.10x = 414,766,768,771.69
5. Step 5: Solve for x
   x = 414,766,768,771.69/743,684.10
6. Step 6: Final answer
   x = 557,719.02