Finding the Fourth Proportional to 9,142.48, 13,647.52 and 8,035.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.48 : 13,647.52 = 8,035.32 : x
2. Step 2: Convert to fraction form
   9,142.48/13,647.52 = 8,035.32/x
3. Step 3: Cross multiply
   9,142.48x = 13,647.52 × 8,035.32
4. Step 4: Simplify right side
   9,142.48x = 109,662,190.41
5. Step 5: Solve for x
   x = 109,662,190.41/9,142.48
6. Step 6: Final answer
   x = 11,994.80