Finding the Fourth Proportional to 162,568.56, 224,354.36 and 90,949

Step by Step Solution

1. Step 1: Write the proportion equation
   162,568.56 : 224,354.36 = 90,949 : x
2. Step 2: Convert to fraction form
   162,568.56/224,354.36 = 90,949/x
3. Step 3: Cross multiply
   162,568.56x = 224,354.36 × 90,949
4. Step 4: Simplify right side
   162,568.56x = 20,404,804,687.64
5. Step 5: Solve for x
   x = 20,404,804,687.64/162,568.56
6. Step 6: Final answer
   x = 125,515.07