Finding the Fourth Proportional to 1,422,642.83, 1,963,128.44 and 802,413.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,642.83 : 1,963,128.44 = 802,413.82 : x
2. Step 2: Convert to fraction form
   1,422,642.83/1,963,128.44 = 802,413.82/x
3. Step 3: Cross multiply
   1,422,642.83x = 1,963,128.44 × 802,413.82
4. Step 4: Simplify right side
   1,422,642.83x = 1,575,241,388,501.33
5. Step 5: Solve for x
   x = 1,575,241,388,501.33/1,422,642.83
6. Step 6: Final answer
   x = 1,107,264.14