Finding the Fourth Proportional to 123,131.56, 169,921.52 and 69,416.58

Step by Step Solution

1. Step 1: Write the proportion equation
   123,131.56 : 169,921.52 = 69,416.58 : x
2. Step 2: Convert to fraction form
   123,131.56/169,921.52 = 69,416.58/x
3. Step 3: Cross multiply
   123,131.56x = 169,921.52 × 69,416.58
4. Step 4: Simplify right side
   123,131.56x = 11,795,370,786.80
5. Step 5: Solve for x
   x = 11,795,370,786.80/123,131.56
6. Step 6: Final answer
   x = 95,794.86