Finding the Fourth Proportional to 1,301.58, 1,797.12 and 804.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.58 : 1,797.12 = 804.90 : x
2. Step 2: Convert to fraction form
   1,301.58/1,797.12 = 804.90/x
3. Step 3: Cross multiply
   1,301.58x = 1,797.12 × 804.90
4. Step 4: Simplify right side
   1,301.58x = 1,446,501.89
5. Step 5: Solve for x
   x = 1,446,501.89/1,301.58
6. Step 6: Final answer
   x = 1,111.34