Finding the Fourth Proportional to 2,673.14, 3,688.90 and 1,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.14 : 3,688.90 = 1,554.72 : x
2. Step 2: Convert to fraction form
   2,673.14/3,688.90 = 1,554.72/x
3. Step 3: Cross multiply
   2,673.14x = 3,688.90 × 1,554.72
4. Step 4: Simplify right side
   2,673.14x = 5,735,206.61
5. Step 5: Solve for x
   x = 5,735,206.61/2,673.14
6. Step 6: Final answer
   x = 2,145.49