Finding the Fourth Proportional to 8,601.03, 12,899.52 and 3,054.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,601.03 : 12,899.52 = 3,054.15 : x
2. Step 2: Convert to fraction form
   8,601.03/12,899.52 = 3,054.15/x
3. Step 3: Cross multiply
   8,601.03x = 12,899.52 × 3,054.15
4. Step 4: Simplify right side
   8,601.03x = 39,397,069.01
5. Step 5: Solve for x
   x = 39,397,069.01/8,601.03
6. Step 6: Final answer
   x = 4,580.51