Finding the Fourth Proportional to 1,680.91, 2,319.76 and 1,017.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680.91 : 2,319.76 = 1,017.82 : x
2. Step 2: Convert to fraction form
   1,680.91/2,319.76 = 1,017.82/x
3. Step 3: Cross multiply
   1,680.91x = 2,319.76 × 1,017.82
4. Step 4: Simplify right side
   1,680.91x = 2,361,096.57
5. Step 5: Solve for x
   x = 2,361,096.57/1,680.91
6. Step 6: Final answer
   x = 1,404.66