Finding the Fourth Proportional to 2,603,289.63, 3,905,408.29 and 897,677.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603,289.63 : 3,905,408.29 = 897,677.49 : x
2. Step 2: Convert to fraction form
   2,603,289.63/3,905,408.29 = 897,677.49/x
3. Step 3: Cross multiply
   2,603,289.63x = 3,905,408.29 × 897,677.49
4. Step 4: Simplify right side
   2,603,289.63x = 3,505,797,105,833.42
5. Step 5: Solve for x
   x = 3,505,797,105,833.42/2,603,289.63
6. Step 6: Final answer
   x = 1,346,679.63