Finding the Fourth Proportional to 6,011.42, 8,287.41 and 5,180.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,011.42 : 8,287.41 = 5,180.96 : x
2. Step 2: Convert to fraction form
   6,011.42/8,287.41 = 5,180.96/x
3. Step 3: Cross multiply
   6,011.42x = 8,287.41 × 5,180.96
4. Step 4: Simplify right side
   6,011.42x = 42,936,779.86
5. Step 5: Solve for x
   x = 42,936,779.86/6,011.42
6. Step 6: Final answer
   x = 7,142.54