Finding the Fourth Proportional to 1,426,389.62, 1,968,413.59 and 781,807.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,389.62 : 1,968,413.59 = 781,807.82 : x
2. Step 2: Convert to fraction form
   1,426,389.62/1,968,413.59 = 781,807.82/x
3. Step 3: Cross multiply
   1,426,389.62x = 1,968,413.59 × 781,807.82
4. Step 4: Simplify right side
   1,426,389.62x = 1,538,921,139,863.79
5. Step 5: Solve for x
   x = 1,538,921,139,863.79/1,426,389.62
6. Step 6: Final answer
   x = 1,078,892.55