Finding the Fourth Proportional to 339,965.59, 469,152.98 and 189,062.59

Step by Step Solution

1. Step 1: Write the proportion equation
   339,965.59 : 469,152.98 = 189,062.59 : x
2. Step 2: Convert to fraction form
   339,965.59/469,152.98 = 189,062.59/x
3. Step 3: Cross multiply
   339,965.59x = 469,152.98 × 189,062.59
4. Step 4: Simplify right side
   339,965.59x = 88,699,277,505.02
5. Step 5: Solve for x
   x = 88,699,277,505.02/339,965.59
6. Step 6: Final answer
   x = 260,906.63