Finding the Fourth Proportional to 9,531.02, 13,142.50 and 8,018.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.02 : 13,142.50 = 8,018.19 : x
2. Step 2: Convert to fraction form
   9,531.02/13,142.50 = 8,018.19/x
3. Step 3: Cross multiply
   9,531.02x = 13,142.50 × 8,018.19
4. Step 4: Simplify right side
   9,531.02x = 105,379,087.13
5. Step 5: Solve for x
   x = 105,379,087.13/9,531.02
6. Step 6: Final answer
   x = 11,056.44