Finding the Fourth Proportional to 9,267.21, 13,896.56 and 3,419.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.21 : 13,896.56 = 3,419.72 : x
2. Step 2: Convert to fraction form
   9,267.21/13,896.56 = 3,419.72/x
3. Step 3: Cross multiply
   9,267.21x = 13,896.56 × 3,419.72
4. Step 4: Simplify right side
   9,267.21x = 47,522,335.34
5. Step 5: Solve for x
   x = 47,522,335.34/9,267.21
6. Step 6: Final answer
   x = 5,128.01