Finding the Fourth Proportional to 693,745.25, 1,039,789.53 and 356,947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   693,745.25 : 1,039,789.53 = 356,947.25 : x
2. Step 2: Convert to fraction form
   693,745.25/1,039,789.53 = 356,947.25/x
3. Step 3: Cross multiply
   693,745.25x = 1,039,789.53 × 356,947.25
4. Step 4: Simplify right side
   693,745.25x = 371,150,008,113.35
5. Step 5: Solve for x
   x = 371,150,008,113.35/693,745.25
6. Step 6: Final answer
   x = 534,994.67