Finding the Fourth Proportional to 2,673.73, 3,688.70 and 1,554.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.73 : 3,688.70 = 1,554.47 : x
2. Step 2: Convert to fraction form
   2,673.73/3,688.70 = 1,554.47/x
3. Step 3: Cross multiply
   2,673.73x = 3,688.70 × 1,554.47
4. Step 4: Simplify right side
   2,673.73x = 5,733,973.49
5. Step 5: Solve for x
   x = 5,733,973.49/2,673.73
6. Step 6: Final answer
   x = 2,144.56