Finding the Fourth Proportional to 1,484.49, 2,048.32 and 855.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.49 : 2,048.32 = 855.02 : x
2. Step 2: Convert to fraction form
   1,484.49/2,048.32 = 855.02/x
3. Step 3: Cross multiply
   1,484.49x = 2,048.32 × 855.02
4. Step 4: Simplify right side
   1,484.49x = 1,751,360.76
5. Step 5: Solve for x
   x = 1,751,360.76/1,484.49
6. Step 6: Final answer
   x = 1,179.77