Finding the Fourth Proportional to 5,477.71, 8,210.41 and 2,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,477.71 : 8,210.41 = 2,698.50 : x
2. Step 2: Convert to fraction form
   5,477.71/8,210.41 = 2,698.50/x
3. Step 3: Cross multiply
   5,477.71x = 8,210.41 × 2,698.50
4. Step 4: Simplify right side
   5,477.71x = 22,155,791.39
5. Step 5: Solve for x
   x = 22,155,791.39/5,477.71
6. Step 6: Final answer
   x = 4,044.72