Finding the Fourth Proportional to 5,131.30, 7,697.19 and 1,573.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.30 : 7,697.19 = 1,573.16 : x
2. Step 2: Convert to fraction form
   5,131.30/7,697.19 = 1,573.16/x
3. Step 3: Cross multiply
   5,131.30x = 7,697.19 × 1,573.16
4. Step 4: Simplify right side
   5,131.30x = 12,108,911.42
5. Step 5: Solve for x
   x = 12,108,911.42/5,131.30
6. Step 6: Final answer
   x = 2,359.81