Finding the Fourth Proportional to 8,603.76, 12,904.56 and 2,364.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,603.76 : 12,904.56 = 2,364.24 : x
2. Step 2: Convert to fraction form
   8,603.76/12,904.56 = 2,364.24/x
3. Step 3: Cross multiply
   8,603.76x = 12,904.56 × 2,364.24
4. Step 4: Simplify right side
   8,603.76x = 30,509,476.93
5. Step 5: Solve for x
   x = 30,509,476.93/8,603.76
6. Step 6: Final answer
   x = 3,546.06