Finding the Fourth Proportional to 23,426.51, 32,328.32 and 12,816.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,426.51 : 32,328.32 = 12,816.18 : x
2. Step 2: Convert to fraction form
   23,426.51/32,328.32 = 12,816.18/x
3. Step 3: Cross multiply
   23,426.51x = 32,328.32 × 12,816.18
4. Step 4: Simplify right side
   23,426.51x = 414,325,504.14
5. Step 5: Solve for x
   x = 414,325,504.14/23,426.51
6. Step 6: Final answer
   x = 17,686.19