Finding the Fourth Proportional to 11,860.39, 17,787.52 and 3,538.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860.39 : 17,787.52 = 3,538.27 : x
2. Step 2: Convert to fraction form
   11,860.39/17,787.52 = 3,538.27/x
3. Step 3: Cross multiply
   11,860.39x = 17,787.52 × 3,538.27
4. Step 4: Simplify right side
   11,860.39x = 62,937,048.39
5. Step 5: Solve for x
   x = 62,937,048.39/11,860.39
6. Step 6: Final answer
   x = 5,306.49