Finding the Fourth Proportional to 31,167.09, 43,012.89 and 17,742.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,167.09 : 43,012.89 = 17,742.69 : x
2. Step 2: Convert to fraction form
   31,167.09/43,012.89 = 17,742.69/x
3. Step 3: Cross multiply
   31,167.09x = 43,012.89 × 17,742.69
4. Step 4: Simplify right side
   31,167.09x = 763,164,373.27
5. Step 5: Solve for x
   x = 763,164,373.27/31,167.09
6. Step 6: Final answer
   x = 24,486.22