Finding the Fourth Proportional to 31,274.96, 43,148.72 and 17,836.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,274.96 : 43,148.72 = 17,836.55 : x
2. Step 2: Convert to fraction form
   31,274.96/43,148.72 = 17,836.55/x
3. Step 3: Cross multiply
   31,274.96x = 43,148.72 × 17,836.55
4. Step 4: Simplify right side
   31,274.96x = 769,624,130.56
5. Step 5: Solve for x
   x = 769,624,130.56/31,274.96
6. Step 6: Final answer
   x = 24,608.32