Finding the Fourth Proportional to 22,538.79, 33,800.27 and 7,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,538.79 : 33,800.27 = 7,749.50 : x
2. Step 2: Convert to fraction form
   22,538.79/33,800.27 = 7,749.50/x
3. Step 3: Cross multiply
   22,538.79x = 33,800.27 × 7,749.50
4. Step 4: Simplify right side
   22,538.79x = 261,934,984.62
5. Step 5: Solve for x
   x = 261,934,984.62/22,538.79
6. Step 6: Final answer
   x = 11,621.52