Finding the Fourth Proportional to 7,048.34, 9,726.72 and 3,904.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.34 : 9,726.72 = 3,904.46 : x
2. Step 2: Convert to fraction form
   7,048.34/9,726.72 = 3,904.46/x
3. Step 3: Cross multiply
   7,048.34x = 9,726.72 × 3,904.46
4. Step 4: Simplify right side
   7,048.34x = 37,977,589.17
5. Step 5: Solve for x
   x = 37,977,589.17/7,048.34
6. Step 6: Final answer
   x = 5,388.16