Finding the Fourth Proportional to 2,434.07, 3,651.17 and 1,047.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.07 : 3,651.17 = 1,047.21 : x
2. Step 2: Convert to fraction form
   2,434.07/3,651.17 = 1,047.21/x
3. Step 3: Cross multiply
   2,434.07x = 3,651.17 × 1,047.21
4. Step 4: Simplify right side
   2,434.07x = 3,823,536.50
5. Step 5: Solve for x
   x = 3,823,536.50/2,434.07
6. Step 6: Final answer
   x = 1,570.84