Finding the Fourth Proportional to 5,188.33, 7,159.92 and 2,830.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188.33 : 7,159.92 = 2,830.47 : x
2. Step 2: Convert to fraction form
   5,188.33/7,159.92 = 2,830.47/x
3. Step 3: Cross multiply
   5,188.33x = 7,159.92 × 2,830.47
4. Step 4: Simplify right side
   5,188.33x = 20,265,931.69
5. Step 5: Solve for x
   x = 20,265,931.69/5,188.33
6. Step 6: Final answer
   x = 3,906.06