Finding the Fourth Proportional to 3,681.08, 5,080.01 and 2,109.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681.08 : 5,080.01 = 2,109.47 : x
2. Step 2: Convert to fraction form
   3,681.08/5,080.01 = 2,109.47/x
3. Step 3: Cross multiply
   3,681.08x = 5,080.01 × 2,109.47
4. Step 4: Simplify right side
   3,681.08x = 10,716,118.15
5. Step 5: Solve for x
   x = 10,716,118.15/3,681.08
6. Step 6: Final answer
   x = 2,911.14