Finding the Fourth Proportional to 7,047.36, 9,725.16 and 3,903.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,047.36 : 9,725.16 = 3,903.48 : x
2. Step 2: Convert to fraction form
   7,047.36/9,725.16 = 3,903.48/x
3. Step 3: Cross multiply
   7,047.36x = 9,725.16 × 3,903.48
4. Step 4: Simplify right side
   7,047.36x = 37,961,967.56
5. Step 5: Solve for x
   x = 37,961,967.56/7,047.36
6. Step 6: Final answer
   x = 5,386.69