Finding the Fourth Proportional to 162,570.72, 224,337.06 and 90,938.46

Step by Step Solution

1. Step 1: Write the proportion equation
   162,570.72 : 224,337.06 = 90,938.46 : x
2. Step 2: Convert to fraction form
   162,570.72/224,337.06 = 90,938.46/x
3. Step 3: Cross multiply
   162,570.72x = 224,337.06 × 90,938.46
4. Step 4: Simplify right side
   162,570.72x = 20,400,866,757.33
5. Step 5: Solve for x
   x = 20,400,866,757.33/162,570.72
6. Step 6: Final answer
   x = 125,489.18