Finding the Fourth Proportional to 9,840.24, 14,758.03 and 2,820.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,840.24 : 14,758.03 = 2,820.15 : x
2. Step 2: Convert to fraction form
   9,840.24/14,758.03 = 2,820.15/x
3. Step 3: Cross multiply
   9,840.24x = 14,758.03 × 2,820.15
4. Step 4: Simplify right side
   9,840.24x = 41,619,858.30
5. Step 5: Solve for x
   x = 41,619,858.30/9,840.24
6. Step 6: Final answer
   x = 4,229.56