Finding the Fourth Proportional to 162,488.45, 224,229.88 and 89,894.07

Step by Step Solution

1. Step 1: Write the proportion equation
   162,488.45 : 224,229.88 = 89,894.07 : x
2. Step 2: Convert to fraction form
   162,488.45/224,229.88 = 89,894.07/x
3. Step 3: Cross multiply
   162,488.45x = 224,229.88 × 89,894.07
4. Step 4: Simplify right side
   162,488.45x = 20,156,936,528.81
5. Step 5: Solve for x
   x = 20,156,936,528.81/162,488.45
6. Step 6: Final answer
   x = 124,051.50