Finding the Fourth Proportional to 162,391.74, 224,100.86 and 90,771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   162,391.74 : 224,100.86 = 90,771.69 : x
2. Step 2: Convert to fraction form
   162,391.74/224,100.86 = 90,771.69/x
3. Step 3: Cross multiply
   162,391.74x = 224,100.86 × 90,771.69
4. Step 4: Simplify right side
   162,391.74x = 20,342,014,019.58
5. Step 5: Solve for x
   x = 20,342,014,019.58/162,391.74
6. Step 6: Final answer
   x = 125,265.08