Finding the Fourth Proportional to 9,974.72, 14,961.98 and 3,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.72 : 14,961.98 = 3,818.72 : x
2. Step 2: Convert to fraction form
   9,974.72/14,961.98 = 3,818.72/x
3. Step 3: Cross multiply
   9,974.72x = 14,961.98 × 3,818.72
4. Step 4: Simplify right side
   9,974.72x = 57,135,547.00
5. Step 5: Solve for x
   x = 57,135,547.00/9,974.72
6. Step 6: Final answer
   x = 5,728.04