Finding the Fourth Proportional to 6,499.42, 8,972.04 and 4,144.66

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.42 : 8,972.04 = 4,144.66 : x
2. Step 2: Convert to fraction form
   6,499.42/8,972.04 = 4,144.66/x
3. Step 3: Cross multiply
   6,499.42x = 8,972.04 × 4,144.66
4. Step 4: Simplify right side
   6,499.42x = 37,186,055.31
5. Step 5: Solve for x
   x = 37,186,055.31/6,499.42
6. Step 6: Final answer
   x = 5,721.44