Finding the Fourth Proportional to 8,803.86, 13,208.83 and 5,513.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,803.86 : 13,208.83 = 5,513.03 : x
2. Step 2: Convert to fraction form
   8,803.86/13,208.83 = 5,513.03/x
3. Step 3: Cross multiply
   8,803.86x = 13,208.83 × 5,513.03
4. Step 4: Simplify right side
   8,803.86x = 72,820,695.29
5. Step 5: Solve for x
   x = 72,820,695.29/8,803.86
6. Step 6: Final answer
   x = 8,271.45