Finding the Fourth Proportional to 1,076.54, 1,485.27 and 703.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.54 : 1,485.27 = 703.94 : x
2. Step 2: Convert to fraction form
   1,076.54/1,485.27 = 703.94/x
3. Step 3: Cross multiply
   1,076.54x = 1,485.27 × 703.94
4. Step 4: Simplify right side
   1,076.54x = 1,045,533.54
5. Step 5: Solve for x
   x = 1,045,533.54/1,076.54
6. Step 6: Final answer
   x = 971.20