Finding the Fourth Proportional to 2,265.51, 3,124.82 and 2,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.51 : 3,124.82 = 2,189.31 : x
2. Step 2: Convert to fraction form
   2,265.51/3,124.82 = 2,189.31/x
3. Step 3: Cross multiply
   2,265.51x = 3,124.82 × 2,189.31
4. Step 4: Simplify right side
   2,265.51x = 6,841,185.22
5. Step 5: Solve for x
   x = 6,841,185.22/2,265.51
6. Step 6: Final answer
   x = 3,019.71