Finding the Fourth Proportional to 12,974.25, 19,460.47 and 7,410.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.25 : 19,460.47 = 7,410.16 : x
2. Step 2: Convert to fraction form
   12,974.25/19,460.47 = 7,410.16/x
3. Step 3: Cross multiply
   12,974.25x = 19,460.47 × 7,410.16
4. Step 4: Simplify right side
   12,974.25x = 144,205,196.38
5. Step 5: Solve for x
   x = 144,205,196.38/12,974.25
6. Step 6: Final answer
   x = 11,114.72