Finding the Fourth Proportional to 7,570.58, 10,438.46 and 5,181.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,570.58 : 10,438.46 = 5,181.71 : x
2. Step 2: Convert to fraction form
   7,570.58/10,438.46 = 5,181.71/x
3. Step 3: Cross multiply
   7,570.58x = 10,438.46 × 5,181.71
4. Step 4: Simplify right side
   7,570.58x = 54,089,020.37
5. Step 5: Solve for x
   x = 54,089,020.37/7,570.58
6. Step 6: Final answer
   x = 7,144.63