Finding the Fourth Proportional to 2,335.58, 3,503.24 and 874.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.58 : 3,503.24 = 874.62 : x
2. Step 2: Convert to fraction form
   2,335.58/3,503.24 = 874.62/x
3. Step 3: Cross multiply
   2,335.58x = 3,503.24 × 874.62
4. Step 4: Simplify right side
   2,335.58x = 3,063,999.40
5. Step 5: Solve for x
   x = 3,063,999.40/2,335.58
6. Step 6: Final answer
   x = 1,311.88