Finding the Fourth Proportional to 82,631.44, 113,994.72 and 49,078

Step by Step Solution

1. Step 1: Write the proportion equation
   82,631.44 : 113,994.72 = 49,078 : x
2. Step 2: Convert to fraction form
   82,631.44/113,994.72 = 49,078/x
3. Step 3: Cross multiply
   82,631.44x = 113,994.72 × 49,078
4. Step 4: Simplify right side
   82,631.44x = 5,594,632,868.16
5. Step 5: Solve for x
   x = 5,594,632,868.16/82,631.44
6. Step 6: Final answer
   x = 67,705.86