Finding the Fourth Proportional to 2,555.39, 3,526.50 and 1,436.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.39 : 3,526.50 = 1,436.43 : x
2. Step 2: Convert to fraction form
   2,555.39/3,526.50 = 1,436.43/x
3. Step 3: Cross multiply
   2,555.39x = 3,526.50 × 1,436.43
4. Step 4: Simplify right side
   2,555.39x = 5,065,552.76
5. Step 5: Solve for x
   x = 5,065,552.76/2,555.39
6. Step 6: Final answer
   x = 1,982.31