Finding the Fourth Proportional to 9,890.06, 14,836.31 and 3,650.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.06 : 14,836.31 = 3,650.10 : x
2. Step 2: Convert to fraction form
   9,890.06/14,836.31 = 3,650.10/x
3. Step 3: Cross multiply
   9,890.06x = 14,836.31 × 3,650.10
4. Step 4: Simplify right side
   9,890.06x = 54,153,996.88
5. Step 5: Solve for x
   x = 54,153,996.88/9,890.06
6. Step 6: Final answer
   x = 5,475.60