Finding the Fourth Proportional to 9,820.72, 14,731.12 and 2,425.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.72 : 14,731.12 = 2,425.12 : x
2. Step 2: Convert to fraction form
   9,820.72/14,731.12 = 2,425.12/x
3. Step 3: Cross multiply
   9,820.72x = 14,731.12 × 2,425.12
4. Step 4: Simplify right side
   9,820.72x = 35,724,733.73
5. Step 5: Solve for x
   x = 35,724,733.73/9,820.72
6. Step 6: Final answer
   x = 3,637.69