Finding the Fourth Proportional to 2,645.24, 3,966.71 and 1,412.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.24 : 3,966.71 = 1,412.37 : x
2. Step 2: Convert to fraction form
   2,645.24/3,966.71 = 1,412.37/x
3. Step 3: Cross multiply
   2,645.24x = 3,966.71 × 1,412.37
4. Step 4: Simplify right side
   2,645.24x = 5,602,455.14
5. Step 5: Solve for x
   x = 5,602,455.14/2,645.24
6. Step 6: Final answer
   x = 2,117.94