Finding the Fourth Proportional to 1,003.33, 1,382.56 and 847.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.33 : 1,382.56 = 847.81 : x
2. Step 2: Convert to fraction form
   1,003.33/1,382.56 = 847.81/x
3. Step 3: Cross multiply
   1,003.33x = 1,382.56 × 847.81
4. Step 4: Simplify right side
   1,003.33x = 1,172,148.19
5. Step 5: Solve for x
   x = 1,172,148.19/1,003.33
6. Step 6: Final answer
   x = 1,168.26