Finding the Fourth Proportional to 82,199.89, 113,423.69 and 49,917.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,199.89 : 113,423.69 = 49,917.72 : x
2. Step 2: Convert to fraction form
   82,199.89/113,423.69 = 49,917.72/x
3. Step 3: Cross multiply
   82,199.89x = 113,423.69 × 49,917.72
4. Step 4: Simplify right side
   82,199.89x = 5,661,852,408.53
5. Step 5: Solve for x
   x = 5,661,852,408.53/82,199.89
6. Step 6: Final answer
   x = 68,879.07