Finding the Fourth Proportional to 1,300.09, 1,946.35 and 1,118.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.09 : 1,946.35 = 1,118.65 : x
2. Step 2: Convert to fraction form
   1,300.09/1,946.35 = 1,118.65/x
3. Step 3: Cross multiply
   1,300.09x = 1,946.35 × 1,118.65
4. Step 4: Simplify right side
   1,300.09x = 2,177,284.43
5. Step 5: Solve for x
   x = 2,177,284.43/1,300.09
6. Step 6: Final answer
   x = 1,674.72