Finding the Fourth Proportional to 161,556.82, 242,384.69 and 82,726.86

Step by Step Solution

1. Step 1: Write the proportion equation
   161,556.82 : 242,384.69 = 82,726.86 : x
2. Step 2: Convert to fraction form
   161,556.82/242,384.69 = 82,726.86/x
3. Step 3: Cross multiply
   161,556.82x = 242,384.69 × 82,726.86
4. Step 4: Simplify right side
   161,556.82x = 20,051,724,315.77
5. Step 5: Solve for x
   x = 20,051,724,315.77/161,556.82
6. Step 6: Final answer
   x = 124,115.62