Finding the Fourth Proportional to 2,330.48, 3,495.89 and 869.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.48 : 3,495.89 = 869.63 : x
2. Step 2: Convert to fraction form
   2,330.48/3,495.89 = 869.63/x
3. Step 3: Cross multiply
   2,330.48x = 3,495.89 × 869.63
4. Step 4: Simplify right side
   2,330.48x = 3,040,115.52
5. Step 5: Solve for x
   x = 3,040,115.52/2,330.48
6. Step 6: Final answer
   x = 1,304.50