Finding the Fourth Proportional to 31,241.60, 43,112.33 and 17,817.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,241.60 : 43,112.33 = 17,817.17 : x
2. Step 2: Convert to fraction form
   31,241.60/43,112.33 = 17,817.17/x
3. Step 3: Cross multiply
   31,241.60x = 43,112.33 × 17,817.17
4. Step 4: Simplify right side
   31,241.60x = 768,139,865.03
5. Step 5: Solve for x
   x = 768,139,865.03/31,241.60
6. Step 6: Final answer
   x = 24,587.09