Finding the Fourth Proportional to 2,331.82, 3,495.57 and 869.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.82 : 3,495.57 = 869.86 : x
2. Step 2: Convert to fraction form
   2,331.82/3,495.57 = 869.86/x
3. Step 3: Cross multiply
   2,331.82x = 3,495.57 × 869.86
4. Step 4: Simplify right side
   2,331.82x = 3,040,656.52
5. Step 5: Solve for x
   x = 3,040,656.52/2,331.82
6. Step 6: Final answer
   x = 1,303.98