Finding the Fourth Proportional to 9,681.05, 13,360.95 and 5,433.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.05 : 13,360.95 = 5,433.25 : x
2. Step 2: Convert to fraction form
   9,681.05/13,360.95 = 5,433.25/x
3. Step 3: Cross multiply
   9,681.05x = 13,360.95 × 5,433.25
4. Step 4: Simplify right side
   9,681.05x = 72,593,381.59
5. Step 5: Solve for x
   x = 72,593,381.59/9,681.05
6. Step 6: Final answer
   x = 7,498.50