Finding the Fourth Proportional to 7,048.27, 9,726.61 and 3,904.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.27 : 9,726.61 = 3,904.45 : x
2. Step 2: Convert to fraction form
   7,048.27/9,726.61 = 3,904.45/x
3. Step 3: Cross multiply
   7,048.27x = 9,726.61 × 3,904.45
4. Step 4: Simplify right side
   7,048.27x = 37,977,079.39
5. Step 5: Solve for x
   x = 37,977,079.39/7,048.27
6. Step 6: Final answer
   x = 5,388.15