Finding the Fourth Proportional to 9,008.55, 13,518.72 and 4,078.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.55 : 13,518.72 = 4,078.23 : x
2. Step 2: Convert to fraction form
   9,008.55/13,518.72 = 4,078.23/x
3. Step 3: Cross multiply
   9,008.55x = 13,518.72 × 4,078.23
4. Step 4: Simplify right side
   9,008.55x = 55,132,449.47
5. Step 5: Solve for x
   x = 55,132,449.47/9,008.55
6. Step 6: Final answer
   x = 6,120.01