Finding the Fourth Proportional to 10,578.90, 15,869.62 and 3,182.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,578.90 : 15,869.62 = 3,182.29 : x
2. Step 2: Convert to fraction form
   10,578.90/15,869.62 = 3,182.29/x
3. Step 3: Cross multiply
   10,578.90x = 15,869.62 × 3,182.29
4. Step 4: Simplify right side
   10,578.90x = 50,501,697.33
5. Step 5: Solve for x
   x = 50,501,697.33/10,578.90
6. Step 6: Final answer
   x = 4,773.81