Finding the Fourth Proportional to 139,026.24, 191,788.56 and 82,397.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,026.24 : 191,788.56 = 82,397.52 : x
2. Step 2: Convert to fraction form
   139,026.24/191,788.56 = 82,397.52/x
3. Step 3: Cross multiply
   139,026.24x = 191,788.56 × 82,397.52
4. Step 4: Simplify right side
   139,026.24x = 15,802,901,708.37
5. Step 5: Solve for x
   x = 15,802,901,708.37/139,026.24
6. Step 6: Final answer
   x = 113,668.48