Finding the Fourth Proportional to 2,077.79, 2,864.57 and 1,413.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.79 : 2,864.57 = 1,413.52 : x
2. Step 2: Convert to fraction form
   2,077.79/2,864.57 = 1,413.52/x
3. Step 3: Cross multiply
   2,077.79x = 2,864.57 × 1,413.52
4. Step 4: Simplify right side
   2,077.79x = 4,049,112.76
5. Step 5: Solve for x
   x = 4,049,112.76/2,077.79
6. Step 6: Final answer
   x = 1,948.76