Finding the Fourth Proportional to 7,146.82, 10,714.44 and 2,990.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,146.82 : 10,714.44 = 2,990.02 : x
2. Step 2: Convert to fraction form
   7,146.82/10,714.44 = 2,990.02/x
3. Step 3: Cross multiply
   7,146.82x = 10,714.44 × 2,990.02
4. Step 4: Simplify right side
   7,146.82x = 32,036,389.89
5. Step 5: Solve for x
   x = 32,036,389.89/7,146.82
6. Step 6: Final answer
   x = 4,482.61