Finding the Fourth Proportional to 22,410.06, 30,936.51 and 12,975.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,410.06 : 30,936.51 = 12,975.18 : x
2. Step 2: Convert to fraction form
   22,410.06/30,936.51 = 12,975.18/x
3. Step 3: Cross multiply
   22,410.06x = 30,936.51 × 12,975.18
4. Step 4: Simplify right side
   22,410.06x = 401,406,785.82
5. Step 5: Solve for x
   x = 401,406,785.82/22,410.06
6. Step 6: Final answer
   x = 17,911.90