Finding the Fourth Proportional to 22,150.06, 33,219.32 and 15,128.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.06 : 33,219.32 = 15,128.88 : x
2. Step 2: Convert to fraction form
   22,150.06/33,219.32 = 15,128.88/x
3. Step 3: Cross multiply
   22,150.06x = 33,219.32 × 15,128.88
4. Step 4: Simplify right side
   22,150.06x = 502,570,905.74
5. Step 5: Solve for x
   x = 502,570,905.74/22,150.06
6. Step 6: Final answer
   x = 22,689.37