Finding the Fourth Proportional to 9,814.18, 13,548.59 and 7,571.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,814.18 : 13,548.59 = 7,571.02 : x
2. Step 2: Convert to fraction form
   9,814.18/13,548.59 = 7,571.02/x
3. Step 3: Cross multiply
   9,814.18x = 13,548.59 × 7,571.02
4. Step 4: Simplify right side
   9,814.18x = 102,576,645.86
5. Step 5: Solve for x
   x = 102,576,645.86/9,814.18
6. Step 6: Final answer
   x = 10,451.88