Finding the Fourth Proportional to 8,598.72, 12,896.16 and 3,602.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,598.72 : 12,896.16 = 3,602.88 : x
2. Step 2: Convert to fraction form
   8,598.72/12,896.16 = 3,602.88/x
3. Step 3: Cross multiply
   8,598.72x = 12,896.16 × 3,602.88
4. Step 4: Simplify right side
   8,598.72x = 46,463,316.94
5. Step 5: Solve for x
   x = 46,463,316.94/8,598.72
6. Step 6: Final answer
   x = 5,403.52