Finding the Fourth Proportional to 1,800.69, 2,484.99 and 1,055.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.69 : 2,484.99 = 1,055.22 : x
2. Step 2: Convert to fraction form
   1,800.69/2,484.99 = 1,055.22/x
3. Step 3: Cross multiply
   1,800.69x = 2,484.99 × 1,055.22
4. Step 4: Simplify right side
   1,800.69x = 2,622,211.15
5. Step 5: Solve for x
   x = 2,622,211.15/1,800.69
6. Step 6: Final answer
   x = 1,456.23