Finding the Fourth Proportional to 162,363.76, 224,042.56 and 89,756.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,363.76 : 224,042.56 = 89,756.88 : x
2. Step 2: Convert to fraction form
   162,363.76/224,042.56 = 89,756.88/x
3. Step 3: Cross multiply
   162,363.76x = 224,042.56 × 89,756.88
4. Step 4: Simplify right side
   162,363.76x = 20,109,361,172.81
5. Step 5: Solve for x
   x = 20,109,361,172.81/162,363.76
6. Step 6: Final answer
   x = 123,853.75