Finding the Fourth Proportional to 23,600.07, 32,566.89 and 12,987.65

Step by Step Solution

1. Step 1: Write the proportion equation
   23,600.07 : 32,566.89 = 12,987.65 : x
2. Step 2: Convert to fraction form
   23,600.07/32,566.89 = 12,987.65/x
3. Step 3: Cross multiply
   23,600.07x = 32,566.89 × 12,987.65
4. Step 4: Simplify right side
   23,600.07x = 422,967,499.03
5. Step 5: Solve for x
   x = 422,967,499.03/23,600.07
6. Step 6: Final answer
   x = 17,922.30