Finding the Fourth Proportional to 7,048.23, 9,726.71 and 3,904.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.23 : 9,726.71 = 3,904.43 : x
2. Step 2: Convert to fraction form
   7,048.23/9,726.71 = 3,904.43/x
3. Step 3: Cross multiply
   7,048.23x = 9,726.71 × 3,904.43
4. Step 4: Simplify right side
   7,048.23x = 37,977,190.17
5. Step 5: Solve for x
   x = 37,977,190.17/7,048.23
6. Step 6: Final answer
   x = 5,388.19