Finding the Fourth Proportional to 162,142.32, 223,747 and 90,526.84

Step by Step Solution

1. Step 1: Write the proportion equation
   162,142.32 : 223,747 = 90,526.84 : x
2. Step 2: Convert to fraction form
   162,142.32/223,747 = 90,526.84/x
3. Step 3: Cross multiply
   162,142.32x = 223,747 × 90,526.84
4. Step 4: Simplify right side
   162,142.32x = 20,255,108,869.48
5. Step 5: Solve for x
   x = 20,255,108,869.48/162,142.32
6. Step 6: Final answer
   x = 124,921.79