Finding the Fourth Proportional to 4,978.36, 7,460.55 and 3,933.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.36 : 7,460.55 = 3,933.76 : x
2. Step 2: Convert to fraction form
   4,978.36/7,460.55 = 3,933.76/x
3. Step 3: Cross multiply
   4,978.36x = 7,460.55 × 3,933.76
4. Step 4: Simplify right side
   4,978.36x = 29,347,993.50
5. Step 5: Solve for x
   x = 29,347,993.50/4,978.36
6. Step 6: Final answer
   x = 5,895.12