Finding the Fourth Proportional to 1,488.16, 2,230.86 and 1,365.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.16 : 2,230.86 = 1,365.14 : x
2. Step 2: Convert to fraction form
   1,488.16/2,230.86 = 1,365.14/x
3. Step 3: Cross multiply
   1,488.16x = 2,230.86 × 1,365.14
4. Step 4: Simplify right side
   1,488.16x = 3,045,436.22
5. Step 5: Solve for x
   x = 3,045,436.22/1,488.16
6. Step 6: Final answer
   x = 2,046.44