Finding the Fourth Proportional to 11,870.18, 16,383.57 and 6,837.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.18 : 16,383.57 = 6,837.31 : x
2. Step 2: Convert to fraction form
   11,870.18/16,383.57 = 6,837.31/x
3. Step 3: Cross multiply
   11,870.18x = 16,383.57 × 6,837.31
4. Step 4: Simplify right side
   11,870.18x = 112,019,541.84
5. Step 5: Solve for x
   x = 112,019,541.84/11,870.18
6. Step 6: Final answer
   x = 9,437.06