Finding the Fourth Proportional to 2,265.82, 3,125.89 and 1,381.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,265.82 : 3,125.89 = 1,381.30 : x
2. Step 2: Convert to fraction form
   2,265.82/3,125.89 = 1,381.30/x
3. Step 3: Cross multiply
   2,265.82x = 3,125.89 × 1,381.30
4. Step 4: Simplify right side
   2,265.82x = 4,317,791.86
5. Step 5: Solve for x
   x = 4,317,791.86/2,265.82
6. Step 6: Final answer
   x = 1,905.62