Finding the Fourth Proportional to 162,061.33, 223,638.77 and 89,462.66

Step by Step Solution

1. Step 1: Write the proportion equation
   162,061.33 : 223,638.77 = 89,462.66 : x
2. Step 2: Convert to fraction form
   162,061.33/223,638.77 = 89,462.66/x
3. Step 3: Cross multiply
   162,061.33x = 223,638.77 × 89,462.66
4. Step 4: Simplify right side
   162,061.33x = 20,007,318,568.89
5. Step 5: Solve for x
   x = 20,007,318,568.89/162,061.33
6. Step 6: Final answer
   x = 123,455.23