Finding the Fourth Proportional to 2,651.51, 3,971.20 and 1,265.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.51 : 3,971.20 = 1,265.82 : x
2. Step 2: Convert to fraction form
   2,651.51/3,971.20 = 1,265.82/x
3. Step 3: Cross multiply
   2,651.51x = 3,971.20 × 1,265.82
4. Step 4: Simplify right side
   2,651.51x = 5,026,804.53
5. Step 5: Solve for x
   x = 5,026,804.53/2,651.51
6. Step 6: Final answer
   x = 1,895.83