Finding the Fourth Proportional to 10,381.09, 15,570 and 3,805.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.09 : 15,570 = 3,805.69 : x
2. Step 2: Convert to fraction form
   10,381.09/15,570 = 3,805.69/x
3. Step 3: Cross multiply
   10,381.09x = 15,570 × 3,805.69
4. Step 4: Simplify right side
   10,381.09x = 59,254,593.30
5. Step 5: Solve for x
   x = 59,254,593.30/10,381.09
6. Step 6: Final answer
   x = 5,707.94