Finding the Fourth Proportional to 3,671.16, 5,066.50 and 2,099.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.16 : 5,066.50 = 2,099.55 : x
2. Step 2: Convert to fraction form
   3,671.16/5,066.50 = 2,099.55/x
3. Step 3: Cross multiply
   3,671.16x = 5,066.50 × 2,099.55
4. Step 4: Simplify right side
   3,671.16x = 10,637,387.76
5. Step 5: Solve for x
   x = 10,637,387.76/3,671.16
6. Step 6: Final answer
   x = 2,897.56