Finding the Fourth Proportional to 11,603.86, 17,411.79 and 5,760.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,603.86 : 17,411.79 = 5,760.34 : x
2. Step 2: Convert to fraction form
   11,603.86/17,411.79 = 5,760.34/x
3. Step 3: Cross multiply
   11,603.86x = 17,411.79 × 5,760.34
4. Step 4: Simplify right side
   11,603.86x = 100,297,830.41
5. Step 5: Solve for x
   x = 100,297,830.41/11,603.86
6. Step 6: Final answer
   x = 8,643.49