Finding the Fourth Proportional to 2,627.57, 3,929.52 and 2,336.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.57 : 3,929.52 = 2,336.78 : x
2. Step 2: Convert to fraction form
   2,627.57/3,929.52 = 2,336.78/x
3. Step 3: Cross multiply
   2,627.57x = 3,929.52 × 2,336.78
4. Step 4: Simplify right side
   2,627.57x = 9,182,423.75
5. Step 5: Solve for x
   x = 9,182,423.75/2,627.57
6. Step 6: Final answer
   x = 3,494.64