Finding the Fourth Proportional to 9,972.52, 14,940.25 and 3,728.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,972.52 : 14,940.25 = 3,728.63 : x
2. Step 2: Convert to fraction form
   9,972.52/14,940.25 = 3,728.63/x
3. Step 3: Cross multiply
   9,972.52x = 14,940.25 × 3,728.63
4. Step 4: Simplify right side
   9,972.52x = 55,706,692.39
5. Step 5: Solve for x
   x = 55,706,692.39/9,972.52
6. Step 6: Final answer
   x = 5,586.02