Finding the Fourth Proportional to 1,300.66, 1,794.35 and 802.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.66 : 1,794.35 = 802.31 : x
2. Step 2: Convert to fraction form
   1,300.66/1,794.35 = 802.31/x
3. Step 3: Cross multiply
   1,300.66x = 1,794.35 × 802.31
4. Step 4: Simplify right side
   1,300.66x = 1,439,617.98
5. Step 5: Solve for x
   x = 1,439,617.98/1,300.66
6. Step 6: Final answer
   x = 1,106.84