Finding the Fourth Proportional to 2,672.53, 3,688.10 and 1,554.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.53 : 3,688.10 = 1,554.12 : x
2. Step 2: Convert to fraction form
   2,672.53/3,688.10 = 1,554.12/x
3. Step 3: Cross multiply
   2,672.53x = 3,688.10 × 1,554.12
4. Step 4: Simplify right side
   2,672.53x = 5,731,748.03
5. Step 5: Solve for x
   x = 5,731,748.03/2,672.53
6. Step 6: Final answer
   x = 2,144.69