Finding the Fourth Proportional to 5,188.06, 7,159.52 and 2,830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188.06 : 7,159.52 = 2,830.22 : x
2. Step 2: Convert to fraction form
   5,188.06/7,159.52 = 2,830.22/x
3. Step 3: Cross multiply
   5,188.06x = 7,159.52 × 2,830.22
4. Step 4: Simplify right side
   5,188.06x = 20,263,016.69
5. Step 5: Solve for x
   x = 20,263,016.69/5,188.06
6. Step 6: Final answer
   x = 3,905.70