Finding the Fourth Proportional to 1,379.60, 1,903.56 and 882.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379.60 : 1,903.56 = 882.04 : x
2. Step 2: Convert to fraction form
   1,379.60/1,903.56 = 882.04/x
3. Step 3: Cross multiply
   1,379.60x = 1,903.56 × 882.04
4. Step 4: Simplify right side
   1,379.60x = 1,679,016.06
5. Step 5: Solve for x
   x = 1,679,016.06/1,379.60
6. Step 6: Final answer
   x = 1,217.03