Finding the Fourth Proportional to 23,275.61, 32,119.38 and 12,665.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,275.61 : 32,119.38 = 12,665.25 : x
2. Step 2: Convert to fraction form
   23,275.61/32,119.38 = 12,665.25/x
3. Step 3: Cross multiply
   23,275.61x = 32,119.38 × 12,665.25
4. Step 4: Simplify right side
   23,275.61x = 406,799,977.55
5. Step 5: Solve for x
   x = 406,799,977.55/23,275.61
6. Step 6: Final answer
   x = 17,477.53