Finding the Fourth Proportional to 9,945.72, 14,918.69 and 2,549.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.72 : 14,918.69 = 2,549.97 : x
2. Step 2: Convert to fraction form
   9,945.72/14,918.69 = 2,549.97/x
3. Step 3: Cross multiply
   9,945.72x = 14,918.69 × 2,549.97
4. Step 4: Simplify right side
   9,945.72x = 38,042,199.19
5. Step 5: Solve for x
   x = 38,042,199.19/9,945.72
6. Step 6: Final answer
   x = 3,824.98