Finding the Fourth Proportional to 1,076.02, 1,483.89 and 722.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.02 : 1,483.89 = 722.74 : x
2. Step 2: Convert to fraction form
   1,076.02/1,483.89 = 722.74/x
3. Step 3: Cross multiply
   1,076.02x = 1,483.89 × 722.74
4. Step 4: Simplify right side
   1,076.02x = 1,072,466.66
5. Step 5: Solve for x
   x = 1,072,466.66/1,076.02
6. Step 6: Final answer
   x = 996.70