Finding the Fourth Proportional to 10,569.86, 15,855.84 and 3,908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,569.86 : 15,855.84 = 3,908.10 : x
2. Step 2: Convert to fraction form
   10,569.86/15,855.84 = 3,908.10/x
3. Step 3: Cross multiply
   10,569.86x = 15,855.84 × 3,908.10
4. Step 4: Simplify right side
   10,569.86x = 61,966,208.30
5. Step 5: Solve for x
   x = 61,966,208.30/10,569.86
6. Step 6: Final answer
   x = 5,862.54