Finding the Fourth Proportional to 5,488.16, 7,573.59 and 3,130.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.16 : 7,573.59 = 3,130.34 : x
2. Step 2: Convert to fraction form
   5,488.16/7,573.59 = 3,130.34/x
3. Step 3: Cross multiply
   5,488.16x = 7,573.59 × 3,130.34
4. Step 4: Simplify right side
   5,488.16x = 23,707,911.72
5. Step 5: Solve for x
   x = 23,707,911.72/5,488.16
6. Step 6: Final answer
   x = 4,319.83