Finding the Fourth Proportional to 2,022.50, 3,032.12 and 869.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.50 : 3,032.12 = 869.06 : x
2. Step 2: Convert to fraction form
   2,022.50/3,032.12 = 869.06/x
3. Step 3: Cross multiply
   2,022.50x = 3,032.12 × 869.06
4. Step 4: Simplify right side
   2,022.50x = 2,635,094.21
5. Step 5: Solve for x
   x = 2,635,094.21/2,022.50
6. Step 6: Final answer
   x = 1,302.89