Finding the Fourth Proportional to 1,628.18, 2,246.89 and 882.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.18 : 2,246.89 = 882.15 : x
2. Step 2: Convert to fraction form
   1,628.18/2,246.89 = 882.15/x
3. Step 3: Cross multiply
   1,628.18x = 2,246.89 × 882.15
4. Step 4: Simplify right side
   1,628.18x = 1,982,094.01
5. Step 5: Solve for x
   x = 1,982,094.01/1,628.18
6. Step 6: Final answer
   x = 1,217.37