Finding the Fourth Proportional to 339,173.88, 468,036.54 and 188,259

Step by Step Solution

1. Step 1: Write the proportion equation
   339,173.88 : 468,036.54 = 188,259 : x
2. Step 2: Convert to fraction form
   339,173.88/468,036.54 = 188,259/x
3. Step 3: Cross multiply
   339,173.88x = 468,036.54 × 188,259
4. Step 4: Simplify right side
   339,173.88x = 88,112,090,983.86
5. Step 5: Solve for x
   x = 88,112,090,983.86/339,173.88
6. Step 6: Final answer
   x = 259,784.42