Finding the Fourth Proportional to 139,913.22, 193,081.32 and 76,250.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,913.22 : 193,081.32 = 76,250.82 : x
2. Step 2: Convert to fraction form
   139,913.22/193,081.32 = 76,250.82/x
3. Step 3: Cross multiply
   139,913.22x = 193,081.32 × 76,250.82
4. Step 4: Simplify right side
   139,913.22x = 14,722,608,976.68
5. Step 5: Solve for x
   x = 14,722,608,976.68/139,913.22
6. Step 6: Final answer
   x = 105,226.72