Finding the Fourth Proportional to 23,152.92, 31,945.50 and 13,719.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,152.92 : 31,945.50 = 13,719.84 : x
2. Step 2: Convert to fraction form
   23,152.92/31,945.50 = 13,719.84/x
3. Step 3: Cross multiply
   23,152.92x = 31,945.50 × 13,719.84
4. Step 4: Simplify right side
   23,152.92x = 438,287,148.72
5. Step 5: Solve for x
   x = 438,287,148.72/23,152.92
6. Step 6: Final answer
   x = 18,930.10