Finding the Fourth Proportional to 2,265.89, 3,126.72 and 1,381.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.89 : 3,126.72 = 1,381.52 : x
2. Step 2: Convert to fraction form
   2,265.89/3,126.72 = 1,381.52/x
3. Step 3: Cross multiply
   2,265.89x = 3,126.72 × 1,381.52
4. Step 4: Simplify right side
   2,265.89x = 4,319,610.58
5. Step 5: Solve for x
   x = 4,319,610.58/2,265.89
6. Step 6: Final answer
   x = 1,906.37