Finding the Fourth Proportional to 1,060.45, 1,463.43 and 618.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.45 : 1,463.43 = 618.27 : x
2. Step 2: Convert to fraction form
   1,060.45/1,463.43 = 618.27/x
3. Step 3: Cross multiply
   1,060.45x = 1,463.43 × 618.27
4. Step 4: Simplify right side
   1,060.45x = 904,796.45
5. Step 5: Solve for x
   x = 904,796.45/1,060.45
6. Step 6: Final answer
   x = 853.22