Finding the Fourth Proportional to 23,757.84, 32,784.24 and 13,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,757.84 : 32,784.24 = 13,146.72 : x
2. Step 2: Convert to fraction form
   23,757.84/32,784.24 = 13,146.72/x
3. Step 3: Cross multiply
   23,757.84x = 32,784.24 × 13,146.72
4. Step 4: Simplify right side
   23,757.84x = 431,005,223.69
5. Step 5: Solve for x
   x = 431,005,223.69/23,757.84
6. Step 6: Final answer
   x = 18,141.60