Finding the Fourth Proportional to 23,480.94, 32,403.51 and 12,870.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,480.94 : 32,403.51 = 12,870.54 : x
2. Step 2: Convert to fraction form
   23,480.94/32,403.51 = 12,870.54/x
3. Step 3: Cross multiply
   23,480.94x = 32,403.51 × 12,870.54
4. Step 4: Simplify right side
   23,480.94x = 417,050,671.60
5. Step 5: Solve for x
   x = 417,050,671.60/23,480.94
6. Step 6: Final answer
   x = 17,761.24