Finding the Fourth Proportional to 6,363.69, 9,544.14 and 1,980.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,363.69 : 9,544.14 = 1,980.15 : x
2. Step 2: Convert to fraction form
   6,363.69/9,544.14 = 1,980.15/x
3. Step 3: Cross multiply
   6,363.69x = 9,544.14 × 1,980.15
4. Step 4: Simplify right side
   6,363.69x = 18,898,828.82
5. Step 5: Solve for x
   x = 18,898,828.82/6,363.69
6. Step 6: Final answer
   x = 2,969.79