Finding the Fourth Proportional to 1,348.71, 1,860.93 and 789.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.71 : 1,860.93 = 789.08 : x
2. Step 2: Convert to fraction form
   1,348.71/1,860.93 = 789.08/x
3. Step 3: Cross multiply
   1,348.71x = 1,860.93 × 789.08
4. Step 4: Simplify right side
   1,348.71x = 1,468,413.34
5. Step 5: Solve for x
   x = 1,468,413.34/1,348.71
6. Step 6: Final answer
   x = 1,088.75