Finding the Fourth Proportional to 9,012.42, 13,515.15 and 4,329.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.42 : 13,515.15 = 4,329.48 : x
2. Step 2: Convert to fraction form
   9,012.42/13,515.15 = 4,329.48/x
3. Step 3: Cross multiply
   9,012.42x = 13,515.15 × 4,329.48
4. Step 4: Simplify right side
   9,012.42x = 58,513,571.62
5. Step 5: Solve for x
   x = 58,513,571.62/9,012.42
6. Step 6: Final answer
   x = 6,492.55