Finding the Fourth Proportional to 1,361.58, 1,879.27 and 802.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.58 : 1,879.27 = 802.25 : x
2. Step 2: Convert to fraction form
   1,361.58/1,879.27 = 802.25/x
3. Step 3: Cross multiply
   1,361.58x = 1,879.27 × 802.25
4. Step 4: Simplify right side
   1,361.58x = 1,507,643.76
5. Step 5: Solve for x
   x = 1,507,643.76/1,361.58
6. Step 6: Final answer
   x = 1,107.27