Finding the Fourth Proportional to 23,686.24, 32,686.15 and 13,075.65

Step by Step Solution

1. Step 1: Write the proportion equation
   23,686.24 : 32,686.15 = 13,075.65 : x
2. Step 2: Convert to fraction form
   23,686.24/32,686.15 = 13,075.65/x
3. Step 3: Cross multiply
   23,686.24x = 32,686.15 × 13,075.65
4. Step 4: Simplify right side
   23,686.24x = 427,392,493.82
5. Step 5: Solve for x
   x = 427,392,493.82/23,686.24
6. Step 6: Final answer
   x = 18,043.91