Finding the Fourth Proportional to 339,039.54, 467,877.33 and 188,139.06

Step by Step Solution

1. Step 1: Write the proportion equation
   339,039.54 : 467,877.33 = 188,139.06 : x
2. Step 2: Convert to fraction form
   339,039.54/467,877.33 = 188,139.06/x
3. Step 3: Cross multiply
   339,039.54x = 467,877.33 × 188,139.06
4. Step 4: Simplify right side
   339,039.54x = 88,026,001,061.51
5. Step 5: Solve for x
   x = 88,026,001,061.51/339,039.54
6. Step 6: Final answer
   x = 259,633.44