Finding the Fourth Proportional to 2,748.72, 3,792.48 and 1,569.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.72 : 3,792.48 = 1,569.60 : x
2. Step 2: Convert to fraction form
   2,748.72/3,792.48 = 1,569.60/x
3. Step 3: Cross multiply
   2,748.72x = 3,792.48 × 1,569.60
4. Step 4: Simplify right side
   2,748.72x = 5,952,676.61
5. Step 5: Solve for x
   x = 5,952,676.61/2,748.72
6. Step 6: Final answer
   x = 2,165.62