Finding the Fourth Proportional to 1,355.56, 1,871.22 and 1,024.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.56 : 1,871.22 = 1,024.06 : x
2. Step 2: Convert to fraction form
   1,355.56/1,871.22 = 1,024.06/x
3. Step 3: Cross multiply
   1,355.56x = 1,871.22 × 1,024.06
4. Step 4: Simplify right side
   1,355.56x = 1,916,241.55
5. Step 5: Solve for x
   x = 1,916,241.55/1,355.56
6. Step 6: Final answer
   x = 1,413.62