Finding the Fourth Proportional to 2,748.58, 3,792.67 and 1,553.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.58 : 3,792.67 = 1,553.56 : x
2. Step 2: Convert to fraction form
   2,748.58/3,792.67 = 1,553.56/x
3. Step 3: Cross multiply
   2,748.58x = 3,792.67 × 1,553.56
4. Step 4: Simplify right side
   2,748.58x = 5,892,140.41
5. Step 5: Solve for x
   x = 5,892,140.41/2,748.58
6. Step 6: Final answer
   x = 2,143.70