Finding the Fourth Proportional to 2,456.59, 3,684.60 and 2,312.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.59 : 3,684.60 = 2,312.03 : x
2. Step 2: Convert to fraction form
   2,456.59/3,684.60 = 2,312.03/x
3. Step 3: Cross multiply
   2,456.59x = 3,684.60 × 2,312.03
4. Step 4: Simplify right side
   2,456.59x = 8,518,894.18
5. Step 5: Solve for x
   x = 8,518,894.18/2,456.59
6. Step 6: Final answer
   x = 3,467.78