Finding the Fourth Proportional to 9,890.56, 14,842.20 and 3,734.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.56 : 14,842.20 = 3,734.56 : x
2. Step 2: Convert to fraction form
   9,890.56/14,842.20 = 3,734.56/x
3. Step 3: Cross multiply
   9,890.56x = 14,842.20 × 3,734.56
4. Step 4: Simplify right side
   9,890.56x = 55,429,086.43
5. Step 5: Solve for x
   x = 55,429,086.43/9,890.56
6. Step 6: Final answer
   x = 5,604.24