Finding the Fourth Proportional to 1,094.55, 1,507.83 and 814.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.55 : 1,507.83 = 814.30 : x
2. Step 2: Convert to fraction form
   1,094.55/1,507.83 = 814.30/x
3. Step 3: Cross multiply
   1,094.55x = 1,507.83 × 814.30
4. Step 4: Simplify right side
   1,094.55x = 1,227,825.97
5. Step 5: Solve for x
   x = 1,227,825.97/1,094.55
6. Step 6: Final answer
   x = 1,121.76