Finding the Fourth Proportional to 10,581.36, 14,603.32 and 5,866.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,581.36 : 14,603.32 = 5,866.55 : x
2. Step 2: Convert to fraction form
   10,581.36/14,603.32 = 5,866.55/x
3. Step 3: Cross multiply
   10,581.36x = 14,603.32 × 5,866.55
4. Step 4: Simplify right side
   10,581.36x = 85,671,106.95
5. Step 5: Solve for x
   x = 85,671,106.95/10,581.36
6. Step 6: Final answer
   x = 8,096.42