Finding the Fourth Proportional to 339,090.72, 467,946.48 and 188,187.72

Step by Step Solution

1. Step 1: Write the proportion equation
   339,090.72 : 467,946.48 = 188,187.72 : x
2. Step 2: Convert to fraction form
   339,090.72/467,946.48 = 188,187.72/x
3. Step 3: Cross multiply
   339,090.72x = 467,946.48 × 188,187.72
4. Step 4: Simplify right side
   339,090.72x = 88,061,781,153.23
5. Step 5: Solve for x
   x = 88,061,781,153.23/339,090.72
6. Step 6: Final answer
   x = 259,699.77