Finding the Fourth Proportional to 82,698.48, 114,124.68 and 49,158

Step by Step Solution

1. Step 1: Write the proportion equation
   82,698.48 : 114,124.68 = 49,158 : x
2. Step 2: Convert to fraction form
   82,698.48/114,124.68 = 49,158/x
3. Step 3: Cross multiply
   82,698.48x = 114,124.68 × 49,158
4. Step 4: Simplify right side
   82,698.48x = 5,610,141,019.44
5. Step 5: Solve for x
   x = 5,610,141,019.44/82,698.48
6. Step 6: Final answer
   x = 67,838.50