Finding the Fourth Proportional to 10,045.57, 13,863 and 5,569.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045.57 : 13,863 = 5,569.41 : x
2. Step 2: Convert to fraction form
   10,045.57/13,863 = 5,569.41/x
3. Step 3: Cross multiply
   10,045.57x = 13,863 × 5,569.41
4. Step 4: Simplify right side
   10,045.57x = 77,208,730.83
5. Step 5: Solve for x
   x = 77,208,730.83/10,045.57
6. Step 6: Final answer
   x = 7,685.85