Finding the Fourth Proportional to 3,671.83, 5,066.74 and 2,100.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.83 : 5,066.74 = 2,100.03 : x
2. Step 2: Convert to fraction form
   3,671.83/5,066.74 = 2,100.03/x
3. Step 3: Cross multiply
   3,671.83x = 5,066.74 × 2,100.03
4. Step 4: Simplify right side
   3,671.83x = 10,640,280.67
5. Step 5: Solve for x
   x = 10,640,280.67/3,671.83
6. Step 6: Final answer
   x = 2,897.81