Finding the Fourth Proportional to 1,360.98, 1,878.30 and 801.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.98 : 1,878.30 = 801.54 : x
2. Step 2: Convert to fraction form
   1,360.98/1,878.30 = 801.54/x
3. Step 3: Cross multiply
   1,360.98x = 1,878.30 × 801.54
4. Step 4: Simplify right side
   1,360.98x = 1,505,532.58
5. Step 5: Solve for x
   x = 1,505,532.58/1,360.98
6. Step 6: Final answer
   x = 1,106.21