Finding the Fourth Proportional to 3,426.09, 4,730.86 and 2,310.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.09 : 4,730.86 = 2,310.72 : x
2. Step 2: Convert to fraction form
   3,426.09/4,730.86 = 2,310.72/x
3. Step 3: Cross multiply
   3,426.09x = 4,730.86 × 2,310.72
4. Step 4: Simplify right side
   3,426.09x = 10,931,692.82
5. Step 5: Solve for x
   x = 10,931,692.82/3,426.09
6. Step 6: Final answer
   x = 3,190.72