Finding the Fourth Proportional to 6,445.69, 9,670.15 and 1,828.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,445.69 : 9,670.15 = 1,828.69 : x
2. Step 2: Convert to fraction form
   6,445.69/9,670.15 = 1,828.69/x
3. Step 3: Cross multiply
   6,445.69x = 9,670.15 × 1,828.69
4. Step 4: Simplify right side
   6,445.69x = 17,683,684.71
5. Step 5: Solve for x
   x = 17,683,684.71/6,445.69
6. Step 6: Final answer
   x = 2,743.49