Finding the Fourth Proportional to 8,499.98, 11,729.12 and 4,962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.98 : 11,729.12 = 4,962.72 : x
2. Step 2: Convert to fraction form
   8,499.98/11,729.12 = 4,962.72/x
3. Step 3: Cross multiply
   8,499.98x = 11,729.12 × 4,962.72
4. Step 4: Simplify right side
   8,499.98x = 58,208,338.41
5. Step 5: Solve for x
   x = 58,208,338.41/8,499.98
6. Step 6: Final answer
   x = 6,848.06