Finding the Fourth Proportional to 139,796.06, 192,937.59 and 82,451.61

Step by Step Solution

1. Step 1: Write the proportion equation
   139,796.06 : 192,937.59 = 82,451.61 : x
2. Step 2: Convert to fraction form
   139,796.06/192,937.59 = 82,451.61/x
3. Step 3: Cross multiply
   139,796.06x = 192,937.59 × 82,451.61
4. Step 4: Simplify right side
   139,796.06x = 15,908,014,925.02
5. Step 5: Solve for x
   x = 15,908,014,925.02/139,796.06
6. Step 6: Final answer
   x = 113,794.45