Finding the Fourth Proportional to 3,672.77, 5,068.77 and 2,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.77 : 5,068.77 = 2,100.56 : x
2. Step 2: Convert to fraction form
   3,672.77/5,068.77 = 2,100.56/x
3. Step 3: Cross multiply
   3,672.77x = 5,068.77 × 2,100.56
4. Step 4: Simplify right side
   3,672.77x = 10,647,255.51
5. Step 5: Solve for x
   x = 10,647,255.51/3,672.77
6. Step 6: Final answer
   x = 2,898.97