Finding the Fourth Proportional to 150,779.98, 208,076.65 and 82,786.15

Step by Step Solution

1. Step 1: Write the proportion equation
   150,779.98 : 208,076.65 = 82,786.15 : x
2. Step 2: Convert to fraction form
   150,779.98/208,076.65 = 82,786.15/x
3. Step 3: Cross multiply
   150,779.98x = 208,076.65 × 82,786.15
4. Step 4: Simplify right side
   150,779.98x = 17,225,864,811.53
5. Step 5: Solve for x
   x = 17,225,864,811.53/150,779.98
6. Step 6: Final answer
   x = 114,245.04