Finding the Fourth Proportional to 3,672.87, 5,068.76 and 2,101.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.87 : 5,068.76 = 2,101.23 : x
2. Step 2: Convert to fraction form
   3,672.87/5,068.76 = 2,101.23/x
3. Step 3: Cross multiply
   3,672.87x = 5,068.76 × 2,101.23
4. Step 4: Simplify right side
   3,672.87x = 10,650,620.07
5. Step 5: Solve for x
   x = 10,650,620.07/3,672.87
6. Step 6: Final answer
   x = 2,899.81