Finding the Fourth Proportional to 1,247.32, 1,869.16 and 882.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247.32 : 1,869.16 = 882.82 : x
2. Step 2: Convert to fraction form
   1,247.32/1,869.16 = 882.82/x
3. Step 3: Cross multiply
   1,247.32x = 1,869.16 × 882.82
4. Step 4: Simplify right side
   1,247.32x = 1,650,131.83
5. Step 5: Solve for x
   x = 1,650,131.83/1,247.32
6. Step 6: Final answer
   x = 1,322.94