Finding the Fourth Proportional to 22,153.69, 33,234.86 and 7,164.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.69 : 33,234.86 = 7,164.53 : x
2. Step 2: Convert to fraction form
   22,153.69/33,234.86 = 7,164.53/x
3. Step 3: Cross multiply
   22,153.69x = 33,234.86 × 7,164.53
4. Step 4: Simplify right side
   22,153.69x = 238,112,319.87
5. Step 5: Solve for x
   x = 238,112,319.87/22,153.69
6. Step 6: Final answer
   x = 10,748.20