Finding the Fourth Proportional to 2,748.68, 3,792.53 and 1,553.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.68 : 3,792.53 = 1,553.69 : x
2. Step 2: Convert to fraction form
   2,748.68/3,792.53 = 1,553.69/x
3. Step 3: Cross multiply
   2,748.68x = 3,792.53 × 1,553.69
4. Step 4: Simplify right side
   2,748.68x = 5,892,408.17
5. Step 5: Solve for x
   x = 5,892,408.17/2,748.68
6. Step 6: Final answer
   x = 2,143.72