Finding the Fourth Proportional to 9,603.34, 13,250.28 and 5,411.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.34 : 13,250.28 = 5,411.68 : x
2. Step 2: Convert to fraction form
   9,603.34/13,250.28 = 5,411.68/x
3. Step 3: Cross multiply
   9,603.34x = 13,250.28 × 5,411.68
4. Step 4: Simplify right side
   9,603.34x = 71,706,275.27
5. Step 5: Solve for x
   x = 71,706,275.27/9,603.34
6. Step 6: Final answer
   x = 7,466.81