Finding the Fourth Proportional to 2,548.86, 3,823.77 and 1,087.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.86 : 3,823.77 = 1,087.98 : x
2. Step 2: Convert to fraction form
   2,548.86/3,823.77 = 1,087.98/x
3. Step 3: Cross multiply
   2,548.86x = 3,823.77 × 1,087.98
4. Step 4: Simplify right side
   2,548.86x = 4,160,185.28
5. Step 5: Solve for x
   x = 4,160,185.28/2,548.86
6. Step 6: Final answer
   x = 1,632.17