Finding the Fourth Proportional to 941,131.74, 1,298,760.81 and 511,410.84

Step by Step Solution

1. Step 1: Write the proportion equation
   941,131.74 : 1,298,760.81 = 511,410.84 : x
2. Step 2: Convert to fraction form
   941,131.74/1,298,760.81 = 511,410.84/x
3. Step 3: Cross multiply
   941,131.74x = 1,298,760.81 × 511,410.84
4. Step 4: Simplify right side
   941,131.74x = 664,200,356,801.18
5. Step 5: Solve for x
   x = 664,200,356,801.18/941,131.74
6. Step 6: Final answer
   x = 705,746.42