Finding the Fourth Proportional to 2,748.16, 3,791.91 and 1,569.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.16 : 3,791.91 = 1,569.61 : x
2. Step 2: Convert to fraction form
   2,748.16/3,791.91 = 1,569.61/x
3. Step 3: Cross multiply
   2,748.16x = 3,791.91 × 1,569.61
4. Step 4: Simplify right side
   2,748.16x = 5,951,819.86
5. Step 5: Solve for x
   x = 5,951,819.86/2,748.16
6. Step 6: Final answer
   x = 2,165.75