Finding the Fourth Proportional to 1,131,061.20, 1,696,058.78 and 410,895.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,061.20 : 1,696,058.78 = 410,895.09 : x
2. Step 2: Convert to fraction form
   1,131,061.20/1,696,058.78 = 410,895.09/x
3. Step 3: Cross multiply
   1,131,061.20x = 1,696,058.78 × 410,895.09
4. Step 4: Simplify right side
   1,131,061.20x = 696,902,214,518.62
5. Step 5: Solve for x
   x = 696,902,214,518.62/1,131,061.20
6. Step 6: Final answer
   x = 616,148.99