Finding the Fourth Proportional to 22,158.93, 33,189.56 and 18,315.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,158.93 : 33,189.56 = 18,315.94 : x
2. Step 2: Convert to fraction form
   22,158.93/33,189.56 = 18,315.94/x
3. Step 3: Cross multiply
   22,158.93x = 33,189.56 × 18,315.94
4. Step 4: Simplify right side
   22,158.93x = 607,897,831.69
5. Step 5: Solve for x
   x = 607,897,831.69/22,158.93
6. Step 6: Final answer
   x = 27,433.54