Finding the Fourth Proportional to 31,105.65, 42,926.44 and 17,493.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,105.65 : 42,926.44 = 17,493.96 : x
2. Step 2: Convert to fraction form
   31,105.65/42,926.44 = 17,493.96/x
3. Step 3: Cross multiply
   31,105.65x = 42,926.44 × 17,493.96
4. Step 4: Simplify right side
   31,105.65x = 750,953,209.67
5. Step 5: Solve for x
   x = 750,953,209.67/31,105.65
6. Step 6: Final answer
   x = 24,142.02