Finding the Fourth Proportional to 9,239.97, 13,869.83 and 3,977.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,239.97 : 13,869.83 = 3,977.59 : x
2. Step 2: Convert to fraction form
   9,239.97/13,869.83 = 3,977.59/x
3. Step 3: Cross multiply
   9,239.97x = 13,869.83 × 3,977.59
4. Step 4: Simplify right side
   9,239.97x = 55,168,442.55
5. Step 5: Solve for x
   x = 55,168,442.55/9,239.97
6. Step 6: Final answer
   x = 5,970.63