Finding the Fourth Proportional to 23,221.23, 34,836.89 and 7,638.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,221.23 : 34,836.89 = 7,638.27 : x
2. Step 2: Convert to fraction form
   23,221.23/34,836.89 = 7,638.27/x
3. Step 3: Cross multiply
   23,221.23x = 34,836.89 × 7,638.27
4. Step 4: Simplify right side
   23,221.23x = 266,093,533.59
5. Step 5: Solve for x
   x = 266,093,533.59/23,221.23
6. Step 6: Final answer
   x = 11,459.06