Finding the Fourth Proportional to 9,672.44, 13,347.96 and 5,480.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,672.44 : 13,347.96 = 5,480.69 : x
2. Step 2: Convert to fraction form
   9,672.44/13,347.96 = 5,480.69/x
3. Step 3: Cross multiply
   9,672.44x = 13,347.96 × 5,480.69
4. Step 4: Simplify right side
   9,672.44x = 73,156,030.89
5. Step 5: Solve for x
   x = 73,156,030.89/9,672.44
6. Step 6: Final answer
   x = 7,563.35