Finding the Fourth Proportional to 3,490.82, 4,818.59 and 2,312.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490.82 : 4,818.59 = 2,312.27 : x
2. Step 2: Convert to fraction form
   3,490.82/4,818.59 = 2,312.27/x
3. Step 3: Cross multiply
   3,490.82x = 4,818.59 × 2,312.27
4. Step 4: Simplify right side
   3,490.82x = 11,141,845.45
5. Step 5: Solve for x
   x = 11,141,845.45/3,490.82
6. Step 6: Final answer
   x = 3,191.76