Finding the Fourth Proportional to 145,952.69, 201,414.61 and 78,884.69

Step by Step Solution

1. Step 1: Write the proportion equation
   145,952.69 : 201,414.61 = 78,884.69 : x
2. Step 2: Convert to fraction form
   145,952.69/201,414.61 = 78,884.69/x
3. Step 3: Cross multiply
   145,952.69x = 201,414.61 × 78,884.69
4. Step 4: Simplify right side
   145,952.69x = 15,888,528,162.85
5. Step 5: Solve for x
   x = 15,888,528,162.85/145,952.69
6. Step 6: Final answer
   x = 108,860.81