Finding the Fourth Proportional to 1,066,408.32, 1,471,644.72 and 613,699.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,408.32 : 1,471,644.72 = 613,699.68 : x
2. Step 2: Convert to fraction form
   1,066,408.32/1,471,644.72 = 613,699.68/x
3. Step 3: Cross multiply
   1,066,408.32x = 1,471,644.72 × 613,699.68
4. Step 4: Simplify right side
   1,066,408.32x = 903,147,893,737.69
5. Step 5: Solve for x
   x = 903,147,893,737.69/1,066,408.32
6. Step 6: Final answer
   x = 846,906.27