Finding the Fourth Proportional to 9,819.80, 14,732.32 and 3,580.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.80 : 14,732.32 = 3,580.38 : x
2. Step 2: Convert to fraction form
   9,819.80/14,732.32 = 3,580.38/x
3. Step 3: Cross multiply
   9,819.80x = 14,732.32 × 3,580.38
4. Step 4: Simplify right side
   9,819.80x = 52,747,303.88
5. Step 5: Solve for x
   x = 52,747,303.88/9,819.80
6. Step 6: Final answer
   x = 5,371.53