Finding the Fourth Proportional to 4,680.31, 7,018.46 and 1,559.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,680.31 : 7,018.46 = 1,559.47 : x
2. Step 2: Convert to fraction form
   4,680.31/7,018.46 = 1,559.47/x
3. Step 3: Cross multiply
   4,680.31x = 7,018.46 × 1,559.47
4. Step 4: Simplify right side
   4,680.31x = 10,945,077.82
5. Step 5: Solve for x
   x = 10,945,077.82/4,680.31
6. Step 6: Final answer
   x = 2,338.54