Finding the Fourth Proportional to 9,817.48, 13,529.46 and 7,018.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,817.48 : 13,529.46 = 7,018.12 : x
2. Step 2: Convert to fraction form
   9,817.48/13,529.46 = 7,018.12/x
3. Step 3: Cross multiply
   9,817.48x = 13,529.46 × 7,018.12
4. Step 4: Simplify right side
   9,817.48x = 94,951,373.82
5. Step 5: Solve for x
   x = 94,951,373.82/9,817.48
6. Step 6: Final answer
   x = 9,671.66