Finding the Fourth Proportional to 31,614.71, 43,629.54 and 18,185.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,614.71 : 43,629.54 = 18,185.92 : x
2. Step 2: Convert to fraction form
   31,614.71/43,629.54 = 18,185.92/x
3. Step 3: Cross multiply
   31,614.71x = 43,629.54 × 18,185.92
4. Step 4: Simplify right side
   31,614.71x = 793,443,146.81
5. Step 5: Solve for x
   x = 793,443,146.81/31,614.71
6. Step 6: Final answer
   x = 25,097.28