Finding the Fourth Proportional to 7,047.70, 9,725.69 and 3,903.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,047.70 : 9,725.69 = 3,903.82 : x
2. Step 2: Convert to fraction form
   7,047.70/9,725.69 = 3,903.82/x
3. Step 3: Cross multiply
   7,047.70x = 9,725.69 × 3,903.82
4. Step 4: Simplify right side
   7,047.70x = 37,967,328.58
5. Step 5: Solve for x
   x = 37,967,328.58/7,047.70
6. Step 6: Final answer
   x = 5,387.20