Finding the Fourth Proportional to 11,935.31, 16,478.32 and 8,164.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,935.31 : 16,478.32 = 8,164.76 : x
2. Step 2: Convert to fraction form
   11,935.31/16,478.32 = 8,164.76/x
3. Step 3: Cross multiply
   11,935.31x = 16,478.32 × 8,164.76
4. Step 4: Simplify right side
   11,935.31x = 134,541,528.00
5. Step 5: Solve for x
   x = 134,541,528.00/11,935.31
6. Step 6: Final answer
   x = 11,272.56