Finding the Fourth Proportional to 162,379.72, 243,507.24 and 55,743.79

Step by Step Solution

1. Step 1: Write the proportion equation
   162,379.72 : 243,507.24 = 55,743.79 : x
2. Step 2: Convert to fraction form
   162,379.72/243,507.24 = 55,743.79/x
3. Step 3: Cross multiply
   162,379.72x = 243,507.24 × 55,743.79
4. Step 4: Simplify right side
   162,379.72x = 13,574,016,450.04
5. Step 5: Solve for x
   x = 13,574,016,450.04/162,379.72
6. Step 6: Final answer
   x = 83,594.28