Finding the Fourth Proportional to 9,580.62, 14,365.82 and 8,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,580.62 : 14,365.82 = 8,472.72 : x
2. Step 2: Convert to fraction form
   9,580.62/14,365.82 = 8,472.72/x
3. Step 3: Cross multiply
   9,580.62x = 14,365.82 × 8,472.72
4. Step 4: Simplify right side
   9,580.62x = 121,717,570.43
5. Step 5: Solve for x
   x = 121,717,570.43/9,580.62
6. Step 6: Final answer
   x = 12,704.56