Finding the Fourth Proportional to 23,480.38, 32,403.18 and 12,870.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,480.38 : 32,403.18 = 12,870.22 : x
2. Step 2: Convert to fraction form
   23,480.38/32,403.18 = 12,870.22/x
3. Step 3: Cross multiply
   23,480.38x = 32,403.18 × 12,870.22
4. Step 4: Simplify right side
   23,480.38x = 417,036,055.30
5. Step 5: Solve for x
   x = 417,036,055.30/23,480.38
6. Step 6: Final answer
   x = 17,761.04