Finding the Fourth Proportional to 3,746.38, 5,164.53 and 2,623.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.38 : 5,164.53 = 2,623.78 : x
2. Step 2: Convert to fraction form
   3,746.38/5,164.53 = 2,623.78/x
3. Step 3: Cross multiply
   3,746.38x = 5,164.53 × 2,623.78
4. Step 4: Simplify right side
   3,746.38x = 13,550,590.52
5. Step 5: Solve for x
   x = 13,550,590.52/3,746.38
6. Step 6: Final answer
   x = 3,616.98