Finding the Fourth Proportional to 1,393,375.50, 2,090,414.52 and 396,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,375.50 : 2,090,414.52 = 396,103.50 : x
2. Step 2: Convert to fraction form
   1,393,375.50/2,090,414.52 = 396,103.50/x
3. Step 3: Cross multiply
   1,393,375.50x = 2,090,414.52 × 396,103.50
4. Step 4: Simplify right side
   1,393,375.50x = 828,020,507,822.82
5. Step 5: Solve for x
   x = 828,020,507,822.82/1,393,375.50
6. Step 6: Final answer
   x = 594,255.11