Finding the Fourth Proportional to 9,912.65, 14,868.05 and 3,672.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.65 : 14,868.05 = 3,672.72 : x
2. Step 2: Convert to fraction form
   9,912.65/14,868.05 = 3,672.72/x
3. Step 3: Cross multiply
   9,912.65x = 14,868.05 × 3,672.72
4. Step 4: Simplify right side
   9,912.65x = 54,606,166.23
5. Step 5: Solve for x
   x = 54,606,166.23/9,912.65
6. Step 6: Final answer
   x = 5,508.74