Finding the Fourth Proportional to 2,405,395.90, 3,608,091.42 and 985,454.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,395.90 : 3,608,091.42 = 985,454.56 : x
2. Step 2: Convert to fraction form
   2,405,395.90/3,608,091.42 = 985,454.56/x
3. Step 3: Cross multiply
   2,405,395.90x = 3,608,091.42 × 985,454.56
4. Step 4: Simplify right side
   2,405,395.90x = 3,555,610,142,735.88
5. Step 5: Solve for x
   x = 3,555,610,142,735.88/2,405,395.90
6. Step 6: Final answer
   x = 1,478,180.84