Finding the Fourth Proportional to 1,056,667.46, 1,458,201.09 and 603,968.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,667.46 : 1,458,201.09 = 603,968.18 : x
2. Step 2: Convert to fraction form
   1,056,667.46/1,458,201.09 = 603,968.18/x
3. Step 3: Cross multiply
   1,056,667.46x = 1,458,201.09 × 603,968.18
4. Step 4: Simplify right side
   1,056,667.46x = 880,707,058,401.32
5. Step 5: Solve for x
   x = 880,707,058,401.32/1,056,667.46
6. Step 6: Final answer
   x = 833,476.09