Finding the Fourth Proportional to 10,725.99, 16,085.03 and 3,704.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,725.99 : 16,085.03 = 3,704.20 : x
2. Step 2: Convert to fraction form
   10,725.99/16,085.03 = 3,704.20/x
3. Step 3: Cross multiply
   10,725.99x = 16,085.03 × 3,704.20
4. Step 4: Simplify right side
   10,725.99x = 59,582,168.13
5. Step 5: Solve for x
   x = 59,582,168.13/10,725.99
6. Step 6: Final answer
   x = 5,554.93