Finding the Fourth Proportional to 31,154.25, 42,992.48 and 17,725.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,154.25 : 42,992.48 = 17,725.47 : x
2. Step 2: Convert to fraction form
   31,154.25/42,992.48 = 17,725.47/x
3. Step 3: Cross multiply
   31,154.25x = 42,992.48 × 17,725.47
4. Step 4: Simplify right side
   31,154.25x = 762,061,825.84
5. Step 5: Solve for x
   x = 762,061,825.84/31,154.25
6. Step 6: Final answer
   x = 24,460.93