Finding the Fourth Proportional to 2,475.89, 3,412.66 and 1,757.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.89 : 3,412.66 = 1,757.12 : x
2. Step 2: Convert to fraction form
   2,475.89/3,412.66 = 1,757.12/x
3. Step 3: Cross multiply
   2,475.89x = 3,412.66 × 1,757.12
4. Step 4: Simplify right side
   2,475.89x = 5,996,453.14
5. Step 5: Solve for x
   x = 5,996,453.14/2,475.89
6. Step 6: Final answer
   x = 2,421.94