Finding the Fourth Proportional to 162,608.76, 224,390.88 and 90,007.92

Step by Step Solution

1. Step 1: Write the proportion equation
   162,608.76 : 224,390.88 = 90,007.92 : x
2. Step 2: Convert to fraction form
   162,608.76/224,390.88 = 90,007.92/x
3. Step 3: Cross multiply
   162,608.76x = 224,390.88 × 90,007.92
4. Step 4: Simplify right side
   162,608.76x = 20,196,956,375.77
5. Step 5: Solve for x
   x = 20,196,956,375.77/162,608.76
6. Step 6: Final answer
   x = 124,205.83