Finding the Fourth Proportional to 23,629.31, 32,608.53 and 13,018.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,629.31 : 32,608.53 = 13,018.94 : x
2. Step 2: Convert to fraction form
   23,629.31/32,608.53 = 13,018.94/x
3. Step 3: Cross multiply
   23,629.31x = 32,608.53 × 13,018.94
4. Step 4: Simplify right side
   23,629.31x = 424,528,332.52
5. Step 5: Solve for x
   x = 424,528,332.52/23,629.31
6. Step 6: Final answer
   x = 17,966.18