Finding the Fourth Proportional to 292,796.72, 404,059.68 and 158,660.72

Step by Step Solution

1. Step 1: Write the proportion equation
   292,796.72 : 404,059.68 = 158,660.72 : x
2. Step 2: Convert to fraction form
   292,796.72/404,059.68 = 158,660.72/x
3. Step 3: Cross multiply
   292,796.72x = 404,059.68 × 158,660.72
4. Step 4: Simplify right side
   292,796.72x = 64,108,399,751.77
5. Step 5: Solve for x
   x = 64,108,399,751.77/292,796.72
6. Step 6: Final answer
   x = 218,951.91