Finding the Fourth Proportional to 1,846.17, 2,765.58 and 869.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.17 : 2,765.58 = 869.31 : x
2. Step 2: Convert to fraction form
   1,846.17/2,765.58 = 869.31/x
3. Step 3: Cross multiply
   1,846.17x = 2,765.58 × 869.31
4. Step 4: Simplify right side
   1,846.17x = 2,404,146.35
5. Step 5: Solve for x
   x = 2,404,146.35/1,846.17
6. Step 6: Final answer
   x = 1,302.23