Finding the Fourth Proportional to 4,978.52, 7,468.92 and 2,205.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.52 : 7,468.92 = 2,205.98 : x
2. Step 2: Convert to fraction form
   4,978.52/7,468.92 = 2,205.98/x
3. Step 3: Cross multiply
   4,978.52x = 7,468.92 × 2,205.98
4. Step 4: Simplify right side
   4,978.52x = 16,476,288.14
5. Step 5: Solve for x
   x = 16,476,288.14/4,978.52
6. Step 6: Final answer
   x = 3,309.48