Finding the Fourth Proportional to 123,234.28, 169,985.04 and 80,795.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,234.28 : 169,985.04 = 80,795.56 : x
2. Step 2: Convert to fraction form
   123,234.28/169,985.04 = 80,795.56/x
3. Step 3: Cross multiply
   123,234.28x = 169,985.04 × 80,795.56
4. Step 4: Simplify right side
   123,234.28x = 13,734,036,498.42
5. Step 5: Solve for x
   x = 13,734,036,498.42/123,234.28
6. Step 6: Final answer
   x = 111,446.56