Finding the Fourth Proportional to 2,609.24, 3,912.71 and 1,875.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.24 : 3,912.71 = 1,875.75 : x
2. Step 2: Convert to fraction form
   2,609.24/3,912.71 = 1,875.75/x
3. Step 3: Cross multiply
   2,609.24x = 3,912.71 × 1,875.75
4. Step 4: Simplify right side
   2,609.24x = 7,339,256.40
5. Step 5: Solve for x
   x = 7,339,256.40/2,609.24
6. Step 6: Final answer
   x = 2,812.80