Finding the Fourth Proportional to 1,090.17, 1,504.71 and 736.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090.17 : 1,504.71 = 736.20 : x
2. Step 2: Convert to fraction form
   1,090.17/1,504.71 = 736.20/x
3. Step 3: Cross multiply
   1,090.17x = 1,504.71 × 736.20
4. Step 4: Simplify right side
   1,090.17x = 1,107,767.50
5. Step 5: Solve for x
   x = 1,107,767.50/1,090.17
6. Step 6: Final answer
   x = 1,016.14