Finding the Fourth Proportional to 1,361.91, 1,879.15 and 802.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.91 : 1,879.15 = 802.00 : x
2. Step 2: Convert to fraction form
   1,361.91/1,879.15 = 802.00/x
3. Step 3: Cross multiply
   1,361.91x = 1,879.15 × 802.00
4. Step 4: Simplify right side
   1,361.91x = 1,507,064.89
5. Step 5: Solve for x
   x = 1,507,064.89/1,361.91
6. Step 6: Final answer
   x = 1,106.58