Finding the Fourth Proportional to 23,685.72, 32,686.37 and 13,075.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.72 : 32,686.37 = 13,075.32 : x
2. Step 2: Convert to fraction form
   23,685.72/32,686.37 = 13,075.32/x
3. Step 3: Cross multiply
   23,685.72x = 32,686.37 × 13,075.32
4. Step 4: Simplify right side
   23,685.72x = 427,384,747.39
5. Step 5: Solve for x
   x = 427,384,747.39/23,685.72
6. Step 6: Final answer
   x = 18,043.98