Finding the Fourth Proportional to 1,060.30, 1,463.14 and 618.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.30 : 1,463.14 = 618.18 : x
2. Step 2: Convert to fraction form
   1,060.30/1,463.14 = 618.18/x
3. Step 3: Cross multiply
   1,060.30x = 1,463.14 × 618.18
4. Step 4: Simplify right side
   1,060.30x = 904,483.89
5. Step 5: Solve for x
   x = 904,483.89/1,060.30
6. Step 6: Final answer
   x = 853.05