Finding the Fourth Proportional to 162,271.38, 243,275.34 and 67,572.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,271.38 : 243,275.34 = 67,572.42 : x
2. Step 2: Convert to fraction form
   162,271.38/243,275.34 = 67,572.42/x
3. Step 3: Cross multiply
   162,271.38x = 243,275.34 × 67,572.42
4. Step 4: Simplify right side
   162,271.38x = 16,438,703,450.12
5. Step 5: Solve for x
   x = 16,438,703,450.12/162,271.38
6. Step 6: Final answer
   x = 101,303.78