Finding the Fourth Proportional to 1,418.13, 1,955.16 and 1,086.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.13 : 1,955.16 = 1,086.03 : x
2. Step 2: Convert to fraction form
   1,418.13/1,955.16 = 1,086.03/x
3. Step 3: Cross multiply
   1,418.13x = 1,955.16 × 1,086.03
4. Step 4: Simplify right side
   1,418.13x = 2,123,362.41
5. Step 5: Solve for x
   x = 2,123,362.41/1,418.13
6. Step 6: Final answer
   x = 1,497.30