Finding the Fourth Proportional to 9,735.10, 13,434.81 and 5,487.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,735.10 : 13,434.81 = 5,487.85 : x
2. Step 2: Convert to fraction form
   9,735.10/13,434.81 = 5,487.85/x
3. Step 3: Cross multiply
   9,735.10x = 13,434.81 × 5,487.85
4. Step 4: Simplify right side
   9,735.10x = 73,728,222.06
5. Step 5: Solve for x
   x = 73,728,222.06/9,735.10
6. Step 6: Final answer
   x = 7,573.44