Finding the Fourth Proportional to 162,967.30, 224,890.86 and 90,369.79

Step by Step Solution

1. Step 1: Write the proportion equation
   162,967.30 : 224,890.86 = 90,369.79 : x
2. Step 2: Convert to fraction form
   162,967.30/224,890.86 = 90,369.79/x
3. Step 3: Cross multiply
   162,967.30x = 224,890.86 × 90,369.79
4. Step 4: Simplify right side
   162,967.30x = 20,323,339,791.12
5. Step 5: Solve for x
   x = 20,323,339,791.12/162,967.30
6. Step 6: Final answer
   x = 124,708.08