Finding the Fourth Proportional to 8,722.99, 12,038.22 and 4,744.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,722.99 : 12,038.22 = 4,744.02 : x
2. Step 2: Convert to fraction form
   8,722.99/12,038.22 = 4,744.02/x
3. Step 3: Cross multiply
   8,722.99x = 12,038.22 × 4,744.02
4. Step 4: Simplify right side
   8,722.99x = 57,109,601.59
5. Step 5: Solve for x
   x = 57,109,601.59/8,722.99
6. Step 6: Final answer
   x = 6,547.02