Finding the Fourth Proportional to 6,111.38, 9,176.43 and 5,387.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.38 : 9,176.43 = 5,387.06 : x
2. Step 2: Convert to fraction form
   6,111.38/9,176.43 = 5,387.06/x
3. Step 3: Cross multiply
   6,111.38x = 9,176.43 × 5,387.06
4. Step 4: Simplify right side
   6,111.38x = 49,433,979.00
5. Step 5: Solve for x
   x = 49,433,979.00/6,111.38
6. Step 6: Final answer
   x = 8,088.84