Finding the Fourth Proportional to 2,434.61, 3,651 and 874.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.61 : 3,651 = 874.19 : x
2. Step 2: Convert to fraction form
   2,434.61/3,651 = 874.19/x
3. Step 3: Cross multiply
   2,434.61x = 3,651 × 874.19
4. Step 4: Simplify right side
   2,434.61x = 3,191,667.69
5. Step 5: Solve for x
   x = 3,191,667.69/2,434.61
6. Step 6: Final answer
   x = 1,310.96