Finding the Fourth Proportional to 23,422.72, 32,323.79 and 12,812.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,422.72 : 32,323.79 = 12,812.58 : x
2. Step 2: Convert to fraction form
   23,422.72/32,323.79 = 12,812.58/x
3. Step 3: Cross multiply
   23,422.72x = 32,323.79 × 12,812.58
4. Step 4: Simplify right side
   23,422.72x = 414,151,177.31
5. Step 5: Solve for x
   x = 414,151,177.31/23,422.72
6. Step 6: Final answer
   x = 17,681.60