Finding the Fourth Proportional to 31,638.94, 43,662.65 and 17,492.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,638.94 : 43,662.65 = 17,492.69 : x
2. Step 2: Convert to fraction form
   31,638.94/43,662.65 = 17,492.69/x
3. Step 3: Cross multiply
   31,638.94x = 43,662.65 × 17,492.69
4. Step 4: Simplify right side
   31,638.94x = 763,777,222.72
5. Step 5: Solve for x
   x = 763,777,222.72/31,638.94
6. Step 6: Final answer
   x = 24,140.42