Finding the Fourth Proportional to 23,310.42, 32,172.54 and 13,749.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,310.42 : 32,172.54 = 13,749.72 : x
2. Step 2: Convert to fraction form
   23,310.42/32,172.54 = 13,749.72/x
3. Step 3: Cross multiply
   23,310.42x = 32,172.54 × 13,749.72
4. Step 4: Simplify right side
   23,310.42x = 442,363,416.69
5. Step 5: Solve for x
   x = 442,363,416.69/23,310.42
6. Step 6: Final answer
   x = 18,977.07