Finding the Fourth Proportional to 8,100.42, 11,181.38 and 4,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.42 : 11,181.38 = 4,744.31 : x
2. Step 2: Convert to fraction form
   8,100.42/11,181.38 = 4,744.31/x
3. Step 3: Cross multiply
   8,100.42x = 11,181.38 × 4,744.31
4. Step 4: Simplify right side
   8,100.42x = 53,047,937.18
5. Step 5: Solve for x
   x = 53,047,937.18/8,100.42
6. Step 6: Final answer
   x = 6,548.79