Finding the Fourth Proportional to 17,968.95, 26,951.37 and 4,820.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,968.95 : 26,951.37 = 4,820.31 : x
2. Step 2: Convert to fraction form
   17,968.95/26,951.37 = 4,820.31/x
3. Step 3: Cross multiply
   17,968.95x = 26,951.37 × 4,820.31
4. Step 4: Simplify right side
   17,968.95x = 129,913,958.32
5. Step 5: Solve for x
   x = 129,913,958.32/17,968.95
6. Step 6: Final answer
   x = 7,229.91