Finding the Fourth Proportional to 1,363.66, 1,881.98 and 804.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.66 : 1,881.98 = 804.31 : x
2. Step 2: Convert to fraction form
   1,363.66/1,881.98 = 804.31/x
3. Step 3: Cross multiply
   1,363.66x = 1,881.98 × 804.31
4. Step 4: Simplify right side
   1,363.66x = 1,513,695.33
5. Step 5: Solve for x
   x = 1,513,695.33/1,363.66
6. Step 6: Final answer
   x = 1,110.02