Finding the Fourth Proportional to 8,806.86, 13,213.35 and 5,516.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,806.86 : 13,213.35 = 5,516.06 : x
2. Step 2: Convert to fraction form
   8,806.86/13,213.35 = 5,516.06/x
3. Step 3: Cross multiply
   8,806.86x = 13,213.35 × 5,516.06
4. Step 4: Simplify right side
   8,806.86x = 72,885,565.33
5. Step 5: Solve for x
   x = 72,885,565.33/8,806.86
6. Step 6: Final answer
   x = 8,276.00