Finding the Fourth Proportional to 12,350.52, 18,525.82 and 2,990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,350.52 : 18,525.82 = 2,990.52 : x
2. Step 2: Convert to fraction form
   12,350.52/18,525.82 = 2,990.52/x
3. Step 3: Cross multiply
   12,350.52x = 18,525.82 × 2,990.52
4. Step 4: Simplify right side
   12,350.52x = 55,401,835.23
5. Step 5: Solve for x
   x = 55,401,835.23/12,350.52
6. Step 6: Final answer
   x = 4,485.79