Finding the Fourth Proportional to 8,944.80, 13,401.96 and 5,820.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,944.80 : 13,401.96 = 5,820.06 : x
2. Step 2: Convert to fraction form
   8,944.80/13,401.96 = 5,820.06/x
3. Step 3: Cross multiply
   8,944.80x = 13,401.96 × 5,820.06
4. Step 4: Simplify right side
   8,944.80x = 78,000,211.32
5. Step 5: Solve for x
   x = 78,000,211.32/8,944.80
6. Step 6: Final answer
   x = 8,720.17