Finding the Fourth Proportional to 11,722.02, 17,570.88 and 7,329.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,722.02 : 17,570.88 = 7,329.39 : x
2. Step 2: Convert to fraction form
   11,722.02/17,570.88 = 7,329.39/x
3. Step 3: Cross multiply
   11,722.02x = 17,570.88 × 7,329.39
4. Step 4: Simplify right side
   11,722.02x = 128,783,832.16
5. Step 5: Solve for x
   x = 128,783,832.16/11,722.02
6. Step 6: Final answer
   x = 10,986.49