Finding the Fourth Proportional to 4,721.02, 7,074.15 and 2,986

Step by Step Solution

1. Step 1: Write the proportion equation
   4,721.02 : 7,074.15 = 2,986 : x
2. Step 2: Convert to fraction form
   4,721.02/7,074.15 = 2,986/x
3. Step 3: Cross multiply
   4,721.02x = 7,074.15 × 2,986
4. Step 4: Simplify right side
   4,721.02x = 21,123,411.90
5. Step 5: Solve for x
   x = 21,123,411.90/4,721.02
6. Step 6: Final answer
   x = 4,474.33