Finding the Fourth Proportional to 1,350.37, 1,863.22 and 790.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.37 : 1,863.22 = 790.89 : x
2. Step 2: Convert to fraction form
   1,350.37/1,863.22 = 790.89/x
3. Step 3: Cross multiply
   1,350.37x = 1,863.22 × 790.89
4. Step 4: Simplify right side
   1,350.37x = 1,473,602.07
5. Step 5: Solve for x
   x = 1,473,602.07/1,350.37
6. Step 6: Final answer
   x = 1,091.26