Finding the Fourth Proportional to 3,672.74, 5,066.91 and 2,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.74 : 5,066.91 = 2,100.50 : x
2. Step 2: Convert to fraction form
   3,672.74/5,066.91 = 2,100.50/x
3. Step 3: Cross multiply
   3,672.74x = 5,066.91 × 2,100.50
4. Step 4: Simplify right side
   3,672.74x = 10,643,044.46
5. Step 5: Solve for x
   x = 10,643,044.46/3,672.74
6. Step 6: Final answer
   x = 2,897.85