Finding the Fourth Proportional to 1,482, 2,217.72 and 1,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,482 : 2,217.72 = 1,398.72 : x
2. Step 2: Convert to fraction form
   1,482/2,217.72 = 1,398.72/x
3. Step 3: Cross multiply
   1,482x = 2,217.72 × 1,398.72
4. Step 4: Simplify right side
   1,482x = 3,101,969.32
5. Step 5: Solve for x
   x = 3,101,969.32/1,482
6. Step 6: Final answer
   x = 2,093.10