Finding the Fourth Proportional to 9,681.21, 13,359.17 and 5,432.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.21 : 13,359.17 = 5,432.28 : x
2. Step 2: Convert to fraction form
   9,681.21/13,359.17 = 5,432.28/x
3. Step 3: Cross multiply
   9,681.21x = 13,359.17 × 5,432.28
4. Step 4: Simplify right side
   9,681.21x = 72,570,752.01
5. Step 5: Solve for x
   x = 72,570,752.01/9,681.21
6. Step 6: Final answer
   x = 7,496.04