Finding the Fourth Proportional to 9,486.72, 13,085.82 and 6,124.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,486.72 : 13,085.82 = 6,124.14 : x
2. Step 2: Convert to fraction form
   9,486.72/13,085.82 = 6,124.14/x
3. Step 3: Cross multiply
   9,486.72x = 13,085.82 × 6,124.14
4. Step 4: Simplify right side
   9,486.72x = 80,139,393.69
5. Step 5: Solve for x
   x = 80,139,393.69/9,486.72
6. Step 6: Final answer
   x = 8,447.53