Finding the Fourth Proportional to 2,555.54, 3,526.40 and 1,436.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.54 : 3,526.40 = 1,436.22 : x
2. Step 2: Convert to fraction form
   2,555.54/3,526.40 = 1,436.22/x
3. Step 3: Cross multiply
   2,555.54x = 3,526.40 × 1,436.22
4. Step 4: Simplify right side
   2,555.54x = 5,064,686.21
5. Step 5: Solve for x
   x = 5,064,686.21/2,555.54
6. Step 6: Final answer
   x = 1,981.85