Finding the Fourth Proportional to 2,555.89, 3,526.97 and 1,436.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.89 : 3,526.97 = 1,436.81 : x
2. Step 2: Convert to fraction form
   2,555.89/3,526.97 = 1,436.81/x
3. Step 3: Cross multiply
   2,555.89x = 3,526.97 × 1,436.81
4. Step 4: Simplify right side
   2,555.89x = 5,067,602.09
5. Step 5: Solve for x
   x = 5,067,602.09/2,555.89
6. Step 6: Final answer
   x = 1,982.71