Finding the Fourth Proportional to 1,192,401.16, 1,645,512.42 and 683,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,401.16 : 1,645,512.42 = 683,105.56 : x
2. Step 2: Convert to fraction form
   1,192,401.16/1,645,512.42 = 683,105.56/x
3. Step 3: Cross multiply
   1,192,401.16x = 1,645,512.42 × 683,105.56
4. Step 4: Simplify right side
   1,192,401.16x = 1,124,058,683,151.06
5. Step 5: Solve for x
   x = 1,124,058,683,151.06/1,192,401.16
6. Step 6: Final answer
   x = 942,685.00