Finding the Fourth Proportional to 339,699.96, 468,774.54 and 188,793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   339,699.96 : 468,774.54 = 188,793.72 : x
2. Step 2: Convert to fraction form
   339,699.96/468,774.54 = 188,793.72/x
3. Step 3: Cross multiply
   339,699.96x = 468,774.54 × 188,793.72
4. Step 4: Simplify right side
   339,699.96x = 88,501,689,247.89
5. Step 5: Solve for x
   x = 88,501,689,247.89/339,699.96
6. Step 6: Final answer
   x = 260,529.00