Finding the Fourth Proportional to 808,667.54, 1,115,943.37 and 446,091.69

Step by Step Solution

1. Step 1: Write the proportion equation
   808,667.54 : 1,115,943.37 = 446,091.69 : x
2. Step 2: Convert to fraction form
   808,667.54/1,115,943.37 = 446,091.69/x
3. Step 3: Cross multiply
   808,667.54x = 1,115,943.37 × 446,091.69
4. Step 4: Simplify right side
   808,667.54x = 497,813,062,752.37
5. Step 5: Solve for x
   x = 497,813,062,752.37/808,667.54
6. Step 6: Final answer
   x = 615,596.70