Finding the Fourth Proportional to 6,807.34, 10,189.79 and 5,243.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,807.34 : 10,189.79 = 5,243.30 : x
2. Step 2: Convert to fraction form
   6,807.34/10,189.79 = 5,243.30/x
3. Step 3: Cross multiply
   6,807.34x = 10,189.79 × 5,243.30
4. Step 4: Simplify right side
   6,807.34x = 53,428,125.91
5. Step 5: Solve for x
   x = 53,428,125.91/6,807.34
6. Step 6: Final answer
   x = 7,848.61