Finding the Fourth Proportional to 8,946.80, 13,404.96 and 5,822.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946.80 : 13,404.96 = 5,822.04 : x
2. Step 2: Convert to fraction form
   8,946.80/13,404.96 = 5,822.04/x
3. Step 3: Cross multiply
   8,946.80x = 13,404.96 × 5,822.04
4. Step 4: Simplify right side
   8,946.80x = 78,044,213.32
5. Step 5: Solve for x
   x = 78,044,213.32/8,946.80
6. Step 6: Final answer
   x = 8,723.14