Finding the Fourth Proportional to 188,028.64, 259,382.89 and 123,488.62

Step by Step Solution

1. Step 1: Write the proportion equation
   188,028.64 : 259,382.89 = 123,488.62 : x
2. Step 2: Convert to fraction form
   188,028.64/259,382.89 = 123,488.62/x
3. Step 3: Cross multiply
   188,028.64x = 259,382.89 × 123,488.62
4. Step 4: Simplify right side
   188,028.64x = 32,030,834,643.62
5. Step 5: Solve for x
   x = 32,030,834,643.62/188,028.64
6. Step 6: Final answer
   x = 170,350.83