Finding the Fourth Proportional to 9,725.25, 13,420.04 and 5,474.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.25 : 13,420.04 = 5,474.96 : x
2. Step 2: Convert to fraction form
   9,725.25/13,420.04 = 5,474.96/x
3. Step 3: Cross multiply
   9,725.25x = 13,420.04 × 5,474.96
4. Step 4: Simplify right side
   9,725.25x = 73,474,128.79
5. Step 5: Solve for x
   x = 73,474,128.79/9,725.25
6. Step 6: Final answer
   x = 7,554.99