Finding the Fourth Proportional to 2,335.83, 3,501.51 and 874.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.83 : 3,501.51 = 874.64 : x
2. Step 2: Convert to fraction form
   2,335.83/3,501.51 = 874.64/x
3. Step 3: Cross multiply
   2,335.83x = 3,501.51 × 874.64
4. Step 4: Simplify right side
   2,335.83x = 3,062,560.71
5. Step 5: Solve for x
   x = 3,062,560.71/2,335.83
6. Step 6: Final answer
   x = 1,311.12