Finding the Fourth Proportional to 162,389.89, 223,894.12 and 124,196.29

Step by Step Solution

1. Step 1: Write the proportion equation
   162,389.89 : 223,894.12 = 124,196.29 : x
2. Step 2: Convert to fraction form
   162,389.89/223,894.12 = 124,196.29/x
3. Step 3: Cross multiply
   162,389.89x = 223,894.12 × 124,196.29
4. Step 4: Simplify right side
   162,389.89x = 27,806,819,056.81
5. Step 5: Solve for x
   x = 27,806,819,056.81/162,389.89
6. Step 6: Final answer
   x = 171,234.92