Finding the Fourth Proportional to 2,369.89, 3,271.38 and 1,530.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.89 : 3,271.38 = 1,530.65 : x
2. Step 2: Convert to fraction form
   2,369.89/3,271.38 = 1,530.65/x
3. Step 3: Cross multiply
   2,369.89x = 3,271.38 × 1,530.65
4. Step 4: Simplify right side
   2,369.89x = 5,007,337.80
5. Step 5: Solve for x
   x = 5,007,337.80/2,369.89
6. Step 6: Final answer
   x = 2,112.90