Finding the Fourth Proportional to 941,131.43, 1,298,760.38 and 511,410.53

Step by Step Solution

1. Step 1: Write the proportion equation
   941,131.43 : 1,298,760.38 = 511,410.53 : x
2. Step 2: Convert to fraction form
   941,131.43/1,298,760.38 = 511,410.53/x
3. Step 3: Cross multiply
   941,131.43x = 1,298,760.38 × 511,410.53
4. Step 4: Simplify right side
   941,131.43x = 664,199,729,753.37
5. Step 5: Solve for x
   x = 664,199,729,753.37/941,131.43
6. Step 6: Final answer
   x = 705,745.99