Finding the Fourth Proportional to 1,479.78, 2,042.35 and 882.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.78 : 2,042.35 = 882.30 : x
2. Step 2: Convert to fraction form
   1,479.78/2,042.35 = 882.30/x
3. Step 3: Cross multiply
   1,479.78x = 2,042.35 × 882.30
4. Step 4: Simplify right side
   1,479.78x = 1,801,970.86
5. Step 5: Solve for x
   x = 1,801,970.86/1,479.78
6. Step 6: Final answer
   x = 1,217.73