Finding the Fourth Proportional to 9,621.41, 13,277.42 and 5,372.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,621.41 : 13,277.42 = 5,372.54 : x
2. Step 2: Convert to fraction form
   9,621.41/13,277.42 = 5,372.54/x
3. Step 3: Cross multiply
   9,621.41x = 13,277.42 × 5,372.54
4. Step 4: Simplify right side
   9,621.41x = 71,333,443.18
5. Step 5: Solve for x
   x = 71,333,443.18/9,621.41
6. Step 6: Final answer
   x = 7,414.03