Finding the Fourth Proportional to 10,477.06, 15,715.68 and 2,685.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,477.06 : 15,715.68 = 2,685.94 : x
2. Step 2: Convert to fraction form
   10,477.06/15,715.68 = 2,685.94/x
3. Step 3: Cross multiply
   10,477.06x = 15,715.68 × 2,685.94
4. Step 4: Simplify right side
   10,477.06x = 42,211,373.54
5. Step 5: Solve for x
   x = 42,211,373.54/10,477.06
6. Step 6: Final answer
   x = 4,028.93