Finding the Fourth Proportional to 11,886.31, 16,402.56 and 6,851.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,886.31 : 16,402.56 = 6,851.27 : x
2. Step 2: Convert to fraction form
   11,886.31/16,402.56 = 6,851.27/x
3. Step 3: Cross multiply
   11,886.31x = 16,402.56 × 6,851.27
4. Step 4: Simplify right side
   11,886.31x = 112,378,367.25
5. Step 5: Solve for x
   x = 112,378,367.25/11,886.31
6. Step 6: Final answer
   x = 9,454.44