Finding the Fourth Proportional to 23,902.21, 32,984.52 and 13,146.58

Step by Step Solution

1. Step 1: Write the proportion equation
   23,902.21 : 32,984.52 = 13,146.58 : x
2. Step 2: Convert to fraction form
   23,902.21/32,984.52 = 13,146.58/x
3. Step 3: Cross multiply
   23,902.21x = 32,984.52 × 13,146.58
4. Step 4: Simplify right side
   23,902.21x = 433,633,630.94
5. Step 5: Solve for x
   x = 433,633,630.94/23,902.21
6. Step 6: Final answer
   x = 18,141.99