Finding the Fourth Proportional to 1,393,105.41, 1,922,351.03 and 781,283.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393,105.41 : 1,922,351.03 = 781,283.25 : x
2. Step 2: Convert to fraction form
   1,393,105.41/1,922,351.03 = 781,283.25/x
3. Step 3: Cross multiply
   1,393,105.41x = 1,922,351.03 × 781,283.25
4. Step 4: Simplify right side
   1,393,105.41x = 1,501,900,656,452.83
5. Step 5: Solve for x
   x = 1,501,900,656,452.83/1,393,105.41
6. Step 6: Final answer
   x = 1,078,095.49