Finding the Fourth Proportional to 9,960.10, 14,938.41 and 3,719.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,960.10 : 14,938.41 = 3,719.45 : x
2. Step 2: Convert to fraction form
   9,960.10/14,938.41 = 3,719.45/x
3. Step 3: Cross multiply
   9,960.10x = 14,938.41 × 3,719.45
4. Step 4: Simplify right side
   9,960.10x = 55,562,669.07
5. Step 5: Solve for x
   x = 55,562,669.07/9,960.10
6. Step 6: Final answer
   x = 5,578.53