Finding the Fourth Proportional to 10,506.02, 15,760.56 and 3,109.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,506.02 : 15,760.56 = 3,109.51 : x
2. Step 2: Convert to fraction form
   10,506.02/15,760.56 = 3,109.51/x
3. Step 3: Cross multiply
   10,506.02x = 15,760.56 × 3,109.51
4. Step 4: Simplify right side
   10,506.02x = 49,007,544.14
5. Step 5: Solve for x
   x = 49,007,544.14/10,506.02
6. Step 6: Final answer
   x = 4,664.71