Finding the Fourth Proportional to 1,097.30, 1,645.23 and 982.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.30 : 1,645.23 = 982.10 : x
2. Step 2: Convert to fraction form
   1,097.30/1,645.23 = 982.10/x
3. Step 3: Cross multiply
   1,097.30x = 1,645.23 × 982.10
4. Step 4: Simplify right side
   1,097.30x = 1,615,780.38
5. Step 5: Solve for x
   x = 1,615,780.38/1,097.30
6. Step 6: Final answer
   x = 1,472.51