Finding the Fourth Proportional to 7,048.16, 9,726.04 and 3,904.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.16 : 9,726.04 = 3,904.12 : x
2. Step 2: Convert to fraction form
   7,048.16/9,726.04 = 3,904.12/x
3. Step 3: Cross multiply
   7,048.16x = 9,726.04 × 3,904.12
4. Step 4: Simplify right side
   7,048.16x = 37,971,627.28
5. Step 5: Solve for x
   x = 37,971,627.28/7,048.16
6. Step 6: Final answer
   x = 5,387.45