Finding the Fourth Proportional to 10,377.72, 15,574.68 and 3,809.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.72 : 15,574.68 = 3,809.16 : x
2. Step 2: Convert to fraction form
   10,377.72/15,574.68 = 3,809.16/x
3. Step 3: Cross multiply
   10,377.72x = 15,574.68 × 3,809.16
4. Step 4: Simplify right side
   10,377.72x = 59,326,448.07
5. Step 5: Solve for x
   x = 59,326,448.07/10,377.72
6. Step 6: Final answer
   x = 5,716.71