Finding the Fourth Proportional to 2,335.25, 3,503.48 and 874.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.25 : 3,503.48 = 874.51 : x
2. Step 2: Convert to fraction form
   2,335.25/3,503.48 = 874.51/x
3. Step 3: Cross multiply
   2,335.25x = 3,503.48 × 874.51
4. Step 4: Simplify right side
   2,335.25x = 3,063,828.29
5. Step 5: Solve for x
   x = 3,063,828.29/2,335.25
6. Step 6: Final answer
   x = 1,311.99