Finding the Fourth Proportional to 10,275.84, 15,413.83 and 3,700.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.84 : 15,413.83 = 3,700.55 : x
2. Step 2: Convert to fraction form
   10,275.84/15,413.83 = 3,700.55/x
3. Step 3: Cross multiply
   10,275.84x = 15,413.83 × 3,700.55
4. Step 4: Simplify right side
   10,275.84x = 57,039,677.89
5. Step 5: Solve for x
   x = 57,039,677.89/10,275.84
6. Step 6: Final answer
   x = 5,550.85