Finding the Fourth Proportional to 162,472.82, 223,714.05 and 142,216.34

Step by Step Solution

1. Step 1: Write the proportion equation
   162,472.82 : 223,714.05 = 142,216.34 : x
2. Step 2: Convert to fraction form
   162,472.82/223,714.05 = 142,216.34/x
3. Step 3: Cross multiply
   162,472.82x = 223,714.05 × 142,216.34
4. Step 4: Simplify right side
   162,472.82x = 31,815,793,397.58
5. Step 5: Solve for x
   x = 31,815,793,397.58/162,472.82
6. Step 6: Final answer
   x = 195,822.25