Finding the Fourth Proportional to 10,830.76, 16,248.77 and 3,039.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.76 : 16,248.77 = 3,039.57 : x
2. Step 2: Convert to fraction form
   10,830.76/16,248.77 = 3,039.57/x
3. Step 3: Cross multiply
   10,830.76x = 16,248.77 × 3,039.57
4. Step 4: Simplify right side
   10,830.76x = 49,389,258.63
5. Step 5: Solve for x
   x = 49,389,258.63/10,830.76
6. Step 6: Final answer
   x = 4,560.09