Finding the Fourth Proportional to 7,103.61, 9,802.77 and 3,873.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.61 : 9,802.77 = 3,873.31 : x
2. Step 2: Convert to fraction form
   7,103.61/9,802.77 = 3,873.31/x
3. Step 3: Cross multiply
   7,103.61x = 9,802.77 × 3,873.31
4. Step 4: Simplify right side
   7,103.61x = 37,969,142.56
5. Step 5: Solve for x
   x = 37,969,142.56/7,103.61
6. Step 6: Final answer
   x = 5,345.05