Finding the Fourth Proportional to 4,998.13, 7,456.78 and 4,499.94

Step by Step Solution

1. Step 1: Write the proportion equation
   4,998.13 : 7,456.78 = 4,499.94 : x
2. Step 2: Convert to fraction form
   4,998.13/7,456.78 = 4,499.94/x
3. Step 3: Cross multiply
   4,998.13x = 7,456.78 × 4,499.94
4. Step 4: Simplify right side
   4,998.13x = 33,555,036.56
5. Step 5: Solve for x
   x = 33,555,036.56/4,998.13
6. Step 6: Final answer
   x = 6,713.52