Finding the Fourth Proportional to 1,333.91, 1,840.70 and 802.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.91 : 1,840.70 = 802.89 : x
2. Step 2: Convert to fraction form
   1,333.91/1,840.70 = 802.89/x
3. Step 3: Cross multiply
   1,333.91x = 1,840.70 × 802.89
4. Step 4: Simplify right side
   1,333.91x = 1,477,881.63
5. Step 5: Solve for x
   x = 1,477,881.63/1,333.91
6. Step 6: Final answer
   x = 1,107.93