Finding the Fourth Proportional to 1,090.42, 1,504.73 and 796.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.42 : 1,504.73 = 796.93 : x
2. Step 2: Convert to fraction form
   1,090.42/1,504.73 = 796.93/x
3. Step 3: Cross multiply
   1,090.42x = 1,504.73 × 796.93
4. Step 4: Simplify right side
   1,090.42x = 1,199,162.71
5. Step 5: Solve for x
   x = 1,199,162.71/1,090.42
6. Step 6: Final answer
   x = 1,099.73