Finding the Fourth Proportional to 1,094.37, 1,509.71 and 740.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.37 : 1,509.71 = 740.42 : x
2. Step 2: Convert to fraction form
   1,094.37/1,509.71 = 740.42/x
3. Step 3: Cross multiply
   1,094.37x = 1,509.71 × 740.42
4. Step 4: Simplify right side
   1,094.37x = 1,117,815.70
5. Step 5: Solve for x
   x = 1,117,815.70/1,094.37
6. Step 6: Final answer
   x = 1,021.42