Finding the Fourth Proportional to 12,974.72, 19,464.96 and 3,740

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.72 : 19,464.96 = 3,740 : x
2. Step 2: Convert to fraction form
   12,974.72/19,464.96 = 3,740/x
3. Step 3: Cross multiply
   12,974.72x = 19,464.96 × 3,740
4. Step 4: Simplify right side
   12,974.72x = 72,798,950.40
5. Step 5: Solve for x
   x = 72,798,950.40/12,974.72
6. Step 6: Final answer
   x = 5,610.83