Finding the Fourth Proportional to 5,141.79, 7,704.96 and 3,970.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,141.79 : 7,704.96 = 3,970.03 : x
2. Step 2: Convert to fraction form
   5,141.79/7,704.96 = 3,970.03/x
3. Step 3: Cross multiply
   5,141.79x = 7,704.96 × 3,970.03
4. Step 4: Simplify right side
   5,141.79x = 30,588,922.35
5. Step 5: Solve for x
   x = 30,588,922.35/5,141.79
6. Step 6: Final answer
   x = 5,949.08