Finding the Fourth Proportional to 22,153.52, 33,236.72 and 7,160.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.52 : 33,236.72 = 7,160.34 : x
2. Step 2: Convert to fraction form
   22,153.52/33,236.72 = 7,160.34/x
3. Step 3: Cross multiply
   22,153.52x = 33,236.72 × 7,160.34
4. Step 4: Simplify right side
   22,153.52x = 237,986,215.68
5. Step 5: Solve for x
   x = 237,986,215.68/22,153.52
6. Step 6: Final answer
   x = 10,742.59