Finding the Fourth Proportional to 10,830.24, 16,247.15 and 3,436.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.24 : 16,247.15 = 3,436.47 : x
2. Step 2: Convert to fraction form
   10,830.24/16,247.15 = 3,436.47/x
3. Step 3: Cross multiply
   10,830.24x = 16,247.15 × 3,436.47
4. Step 4: Simplify right side
   10,830.24x = 55,832,843.56
5. Step 5: Solve for x
   x = 55,832,843.56/10,830.24
6. Step 6: Final answer
   x = 5,155.27