Finding the Fourth Proportional to 7,048.32, 9,726.69 and 3,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.32 : 9,726.69 = 3,904.50 : x
2. Step 2: Convert to fraction form
   7,048.32/9,726.69 = 3,904.50/x
3. Step 3: Cross multiply
   7,048.32x = 9,726.69 × 3,904.50
4. Step 4: Simplify right side
   7,048.32x = 37,977,861.11
5. Step 5: Solve for x
   x = 37,977,861.11/7,048.32
6. Step 6: Final answer
   x = 5,388.21