Finding the Fourth Proportional to 136,814.22, 188,835.06 and 80,243.82

Step by Step Solution

1. Step 1: Write the proportion equation
   136,814.22 : 188,835.06 = 80,243.82 : x
2. Step 2: Convert to fraction form
   136,814.22/188,835.06 = 80,243.82/x
3. Step 3: Cross multiply
   136,814.22x = 188,835.06 × 80,243.82
4. Step 4: Simplify right side
   136,814.22x = 15,152,846,564.33
5. Step 5: Solve for x
   x = 15,152,846,564.33/136,814.22
6. Step 6: Final answer
   x = 110,754.91