Finding the Fourth Proportional to 353,010.56, 487,157.83 and 191,865.98

Step by Step Solution

1. Step 1: Write the proportion equation
   353,010.56 : 487,157.83 = 191,865.98 : x
2. Step 2: Convert to fraction form
   353,010.56/487,157.83 = 191,865.98/x
3. Step 3: Cross multiply
   353,010.56x = 487,157.83 × 191,865.98
4. Step 4: Simplify right side
   353,010.56x = 93,469,015,205.85
5. Step 5: Solve for x
   x = 93,469,015,205.85/353,010.56
6. Step 6: Final answer
   x = 264,776.83