Finding the Fourth Proportional to 10,628.06, 15,949.71 and 7,124.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,628.06 : 15,949.71 = 7,124.75 : x
2. Step 2: Convert to fraction form
   10,628.06/15,949.71 = 7,124.75/x
3. Step 3: Cross multiply
   10,628.06x = 15,949.71 × 7,124.75
4. Step 4: Simplify right side
   10,628.06x = 113,637,696.32
5. Step 5: Solve for x
   x = 113,637,696.32/10,628.06
6. Step 6: Final answer
   x = 10,692.23