Finding the Fourth Proportional to 1,856.88, 2,784.30 and 882.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.88 : 2,784.30 = 882.42 : x
2. Step 2: Convert to fraction form
   1,856.88/2,784.30 = 882.42/x
3. Step 3: Cross multiply
   1,856.88x = 2,784.30 × 882.42
4. Step 4: Simplify right side
   1,856.88x = 2,456,922.01
5. Step 5: Solve for x
   x = 2,456,922.01/1,856.88
6. Step 6: Final answer
   x = 1,323.15