Finding the Fourth Proportional to 123,106.58, 169,884.71 and 69,390.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,106.58 : 169,884.71 = 69,390.56 : x
2. Step 2: Convert to fraction form
   123,106.58/169,884.71 = 69,390.56/x
3. Step 3: Cross multiply
   123,106.58x = 169,884.71 × 69,390.56
4. Step 4: Simplify right side
   123,106.58x = 11,788,394,815.38
5. Step 5: Solve for x
   x = 11,788,394,815.38/123,106.58
6. Step 6: Final answer
   x = 95,757.63