Finding the Fourth Proportional to 123,145.10, 169,936.83 and 69,429.65

Step by Step Solution

1. Step 1: Write the proportion equation
   123,145.10 : 169,936.83 = 69,429.65 : x
2. Step 2: Convert to fraction form
   123,145.10/169,936.83 = 69,429.65/x
3. Step 3: Cross multiply
   123,145.10x = 169,936.83 × 69,429.65
4. Step 4: Simplify right side
   123,145.10x = 11,798,653,779.33
5. Step 5: Solve for x
   x = 11,798,653,779.33/123,145.10
6. Step 6: Final answer
   x = 95,810.99