Finding the Fourth Proportional to 9,713.12, 14,559.84 and 8,546.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,713.12 : 14,559.84 = 8,546.72 : x
2. Step 2: Convert to fraction form
   9,713.12/14,559.84 = 8,546.72/x
3. Step 3: Cross multiply
   9,713.12x = 14,559.84 × 8,546.72
4. Step 4: Simplify right side
   9,713.12x = 124,438,875.72
5. Step 5: Solve for x
   x = 124,438,875.72/9,713.12
6. Step 6: Final answer
   x = 12,811.42