Finding the Fourth Proportional to 139,109.76, 191,941.92 and 82,539.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,109.76 : 191,941.92 = 82,539.52 : x
2. Step 2: Convert to fraction form
   139,109.76/191,941.92 = 82,539.52/x
3. Step 3: Cross multiply
   139,109.76x = 191,941.92 × 82,539.52
4. Step 4: Simplify right side
   139,109.76x = 15,842,793,944.68
5. Step 5: Solve for x
   x = 15,842,793,944.68/139,109.76
6. Step 6: Final answer
   x = 113,887.01