Finding the Fourth Proportional to 8,729.78, 12,046.86 and 4,952.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,729.78 : 12,046.86 = 4,952.88 : x
2. Step 2: Convert to fraction form
   8,729.78/12,046.86 = 4,952.88/x
3. Step 3: Cross multiply
   8,729.78x = 12,046.86 × 4,952.88
4. Step 4: Simplify right side
   8,729.78x = 59,666,651.96
5. Step 5: Solve for x
   x = 59,666,651.96/8,729.78
6. Step 6: Final answer
   x = 6,834.84