Finding the Fourth Proportional to 7,229.02, 9,978.41 and 4,244.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,229.02 : 9,978.41 = 4,244.77 : x
2. Step 2: Convert to fraction form
   7,229.02/9,978.41 = 4,244.77/x
3. Step 3: Cross multiply
   7,229.02x = 9,978.41 × 4,244.77
4. Step 4: Simplify right side
   7,229.02x = 42,356,055.42
5. Step 5: Solve for x
   x = 42,356,055.42/7,229.02
6. Step 6: Final answer
   x = 5,859.17