Finding the Fourth Proportional to 123,015.69, 183,849.45 and 89,805.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,015.69 : 183,849.45 = 89,805.69 : x
2. Step 2: Convert to fraction form
   123,015.69/183,849.45 = 89,805.69/x
3. Step 3: Cross multiply
   123,015.69x = 183,849.45 × 89,805.69
4. Step 4: Simplify right side
   123,015.69x = 16,510,726,713.37
5. Step 5: Solve for x
   x = 16,510,726,713.37/123,015.69
6. Step 6: Final answer
   x = 134,216.43