Finding the Fourth Proportional to 9,950.49, 14,925.89 and 3,709.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,950.49 : 14,925.89 = 3,709.21 : x
2. Step 2: Convert to fraction form
   9,950.49/14,925.89 = 3,709.21/x
3. Step 3: Cross multiply
   9,950.49x = 14,925.89 × 3,709.21
4. Step 4: Simplify right side
   9,950.49x = 55,363,225.67
5. Step 5: Solve for x
   x = 55,363,225.67/9,950.49
6. Step 6: Final answer
   x = 5,563.87