Finding the Fourth Proportional to 23,481.42, 32,403.12 and 12,870.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,481.42 : 32,403.12 = 12,870.84 : x
2. Step 2: Convert to fraction form
   23,481.42/32,403.12 = 12,870.84/x
3. Step 3: Cross multiply
   23,481.42x = 32,403.12 × 12,870.84
4. Step 4: Simplify right side
   23,481.42x = 417,055,373.02
5. Step 5: Solve for x
   x = 417,055,373.02/23,481.42
6. Step 6: Final answer
   x = 17,761.08