Finding the Fourth Proportional to 82,726.75, 123,154.54 and 82,234.67

Step by Step Solution

1. Step 1: Write the proportion equation
   82,726.75 : 123,154.54 = 82,234.67 : x
2. Step 2: Convert to fraction form
   82,726.75/123,154.54 = 82,234.67/x
3. Step 3: Cross multiply
   82,726.75x = 123,154.54 × 82,234.67
4. Step 4: Simplify right side
   82,726.75x = 10,127,572,955.90
5. Step 5: Solve for x
   x = 10,127,572,955.90/82,726.75
6. Step 6: Final answer
   x = 122,421.99