Finding the Fourth Proportional to 1,323.86, 1,981.85 and 802.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.86 : 1,981.85 = 802.29 : x
2. Step 2: Convert to fraction form
   1,323.86/1,981.85 = 802.29/x
3. Step 3: Cross multiply
   1,323.86x = 1,981.85 × 802.29
4. Step 4: Simplify right side
   1,323.86x = 1,590,014.43
5. Step 5: Solve for x
   x = 1,590,014.43/1,323.86
6. Step 6: Final answer
   x = 1,201.04