Finding the Fourth Proportional to 10,830.39, 16,247.63 and 3,436.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.39 : 16,247.63 = 3,436.71 : x
2. Step 2: Convert to fraction form
   10,830.39/16,247.63 = 3,436.71/x
3. Step 3: Cross multiply
   10,830.39x = 16,247.63 × 3,436.71
4. Step 4: Simplify right side
   10,830.39x = 55,838,392.50
5. Step 5: Solve for x
   x = 55,838,392.50/10,830.39
6. Step 6: Final answer
   x = 5,155.71