Finding the Fourth Proportional to 2,335.98, 3,504.54 and 874.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.98 : 3,504.54 = 874.32 : x
2. Step 2: Convert to fraction form
   2,335.98/3,504.54 = 874.32/x
3. Step 3: Cross multiply
   2,335.98x = 3,504.54 × 874.32
4. Step 4: Simplify right side
   2,335.98x = 3,064,089.41
5. Step 5: Solve for x
   x = 3,064,089.41/2,335.98
6. Step 6: Final answer
   x = 1,311.69