Finding the Fourth Proportional to 123,204.89, 170,015.76 and 69,486.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,204.89 : 170,015.76 = 69,486.69 : x
2. Step 2: Convert to fraction form
   123,204.89/170,015.76 = 69,486.69/x
3. Step 3: Cross multiply
   123,204.89x = 170,015.76 × 69,486.69
4. Step 4: Simplify right side
   123,204.89x = 11,813,832,410.23
5. Step 5: Solve for x
   x = 11,813,832,410.23/123,204.89
6. Step 6: Final answer
   x = 95,887.69