Finding the Fourth Proportional to 1,988.18, 2,744.82 and 1,326.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988.18 : 2,744.82 = 1,326.14 : x
2. Step 2: Convert to fraction form
   1,988.18/2,744.82 = 1,326.14/x
3. Step 3: Cross multiply
   1,988.18x = 2,744.82 × 1,326.14
4. Step 4: Simplify right side
   1,988.18x = 3,640,015.59
5. Step 5: Solve for x
   x = 3,640,015.59/1,988.18
6. Step 6: Final answer
   x = 1,830.83