Finding the Fourth Proportional to 138,973.34, 208,738.92 and 82,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   138,973.34 : 208,738.92 = 82,922.82 : x
2. Step 2: Convert to fraction form
   138,973.34/208,738.92 = 82,922.82/x
3. Step 3: Cross multiply
   138,973.34x = 208,738.92 × 82,922.82
4. Step 4: Simplify right side
   138,973.34x = 17,309,219,890.15
5. Step 5: Solve for x
   x = 17,309,219,890.15/138,973.34
6. Step 6: Final answer
   x = 124,550.65