Finding the Fourth Proportional to 3,626.81, 5,432.61 and 2,309.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.81 : 5,432.61 = 2,309.89 : x
2. Step 2: Convert to fraction form
   3,626.81/5,432.61 = 2,309.89/x
3. Step 3: Cross multiply
   3,626.81x = 5,432.61 × 2,309.89
4. Step 4: Simplify right side
   3,626.81x = 12,548,731.51
5. Step 5: Solve for x
   x = 12,548,731.51/3,626.81
6. Step 6: Final answer
   x = 3,459.99