Finding the Fourth Proportional to 162,046.88, 223,624.71 and 89,449.79

Step by Step Solution

1. Step 1: Write the proportion equation
   162,046.88 : 223,624.71 = 89,449.79 : x
2. Step 2: Convert to fraction form
   162,046.88/223,624.71 = 89,449.79/x
3. Step 3: Cross multiply
   162,046.88x = 223,624.71 × 89,449.79
4. Step 4: Simplify right side
   162,046.88x = 20,003,182,901.06
5. Step 5: Solve for x
   x = 20,003,182,901.06/162,046.88
6. Step 6: Final answer
   x = 123,440.72