Finding the Fourth Proportional to 3,671.58, 5,066.78 and 2,099.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.58 : 5,066.78 = 2,099.67 : x
2. Step 2: Convert to fraction form
   3,671.58/5,066.78 = 2,099.67/x
3. Step 3: Cross multiply
   3,671.58x = 5,066.78 × 2,099.67
4. Step 4: Simplify right side
   3,671.58x = 10,638,570.87
5. Step 5: Solve for x
   x = 10,638,570.87/3,671.58
6. Step 6: Final answer
   x = 2,897.55