Finding the Fourth Proportional to 8,964.18, 13,441.20 and 3,415.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,964.18 : 13,441.20 = 3,415.98 : x
2. Step 2: Convert to fraction form
   8,964.18/13,441.20 = 3,415.98/x
3. Step 3: Cross multiply
   8,964.18x = 13,441.20 × 3,415.98
4. Step 4: Simplify right side
   8,964.18x = 45,914,870.38
5. Step 5: Solve for x
   x = 45,914,870.38/8,964.18
6. Step 6: Final answer
   x = 5,122.04