Finding the Fourth Proportional to 136,321.38, 188,103.69 and 79,721.82

Step by Step Solution

1. Step 1: Write the proportion equation
   136,321.38 : 188,103.69 = 79,721.82 : x
2. Step 2: Convert to fraction form
   136,321.38/188,103.69 = 79,721.82/x
3. Step 3: Cross multiply
   136,321.38x = 188,103.69 × 79,721.82
4. Step 4: Simplify right side
   136,321.38x = 14,995,968,515.52
5. Step 5: Solve for x
   x = 14,995,968,515.52/136,321.38
6. Step 6: Final answer
   x = 110,004.52