Finding the Fourth Proportional to 11,256.47, 16,883.34 and 3,860.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,256.47 : 16,883.34 = 3,860.16 : x
2. Step 2: Convert to fraction form
   11,256.47/16,883.34 = 3,860.16/x
3. Step 3: Cross multiply
   11,256.47x = 16,883.34 × 3,860.16
4. Step 4: Simplify right side
   11,256.47x = 65,172,315.95
5. Step 5: Solve for x
   x = 65,172,315.95/11,256.47
6. Step 6: Final answer
   x = 5,789.77