Finding the Fourth Proportional to 23,480.86, 32,403.44 and 12,870.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,480.86 : 32,403.44 = 12,870.94 : x
2. Step 2: Convert to fraction form
   23,480.86/32,403.44 = 12,870.94/x
3. Step 3: Cross multiply
   23,480.86x = 32,403.44 × 12,870.94
4. Step 4: Simplify right side
   23,480.86x = 417,062,732.03
5. Step 5: Solve for x
   x = 417,062,732.03/23,480.86
6. Step 6: Final answer
   x = 17,761.82